Home / 15,949.44-21,987.15-10,562.85

Finding the Fourth Proportional to 15,949.44, 21,987.15 and 10,562.85

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Solution

The fourth proportional to 15,949.44, 21,987.15 and 10,562.85 is: 14,561.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,949.44 : 21,987.15 = 10,562.85 : x
  2. Step 2: Convert to fraction form
    15,949.44/21,987.15 = 10,562.85/x
  3. Step 3: Cross multiply
    15,949.44x = 21,987.15 × 10,562.85
  4. Step 4: Simplify right side
    15,949.44x = 232,246,967.38
  5. Step 5: Solve for x
    x = 232,246,967.38/15,949.44
  6. Step 6: Final answer
    x = 14,561.45

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Double scale
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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.