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Finding the Fourth Proportional to 15,994.76, 22,076.73 and 10,898.71

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Solution

The fourth proportional to 15,994.76, 22,076.73 and 10,898.71 is: 15,042.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,994.76 : 22,076.73 = 10,898.71 : x
  2. Step 2: Convert to fraction form
    15,994.76/22,076.73 = 10,898.71/x
  3. Step 3: Cross multiply
    15,994.76x = 22,076.73 × 10,898.71
  4. Step 4: Simplify right side
    15,994.76x = 240,607,713.14
  5. Step 5: Solve for x
    x = 240,607,713.14/15,994.76
  6. Step 6: Final answer
    x = 15,042.91

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Find fourth proportional to 7,997.38, 11,038.36 and 5,449.35
Half scale
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Double scale
Find fourth proportional to 15,995.76, 22,078.11 and 10,899.71
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.