Home / 38,560.28-57,839.62-12,265.08

Finding the Fourth Proportional to 38,560.28, 57,839.62 and 12,265.08

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Solution

The fourth proportional to 38,560.28, 57,839.62 and 12,265.08 is: 18,397.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,560.28 : 57,839.62 = 12,265.08 : x
  2. Step 2: Convert to fraction form
    38,560.28/57,839.62 = 12,265.08/x
  3. Step 3: Cross multiply
    38,560.28x = 57,839.62 × 12,265.08
  4. Step 4: Simplify right side
    38,560.28x = 709,407,566.47
  5. Step 5: Solve for x
    x = 709,407,566.47/38,560.28
  6. Step 6: Final answer
    x = 18,397.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.