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Finding the Fourth Proportional to 22,036.76, 30,435.54 and 14,950.88

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Solution

The fourth proportional to 22,036.76, 30,435.54 and 14,950.88 is: 20,649.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,036.76 : 30,435.54 = 14,950.88 : x
  2. Step 2: Convert to fraction form
    22,036.76/30,435.54 = 14,950.88/x
  3. Step 3: Cross multiply
    22,036.76x = 30,435.54 × 14,950.88
  4. Step 4: Simplify right side
    22,036.76x = 455,038,106.28
  5. Step 5: Solve for x
    x = 455,038,106.28/22,036.76
  6. Step 6: Final answer
    x = 20,649.05

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Half scale
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Double scale
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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.