Home / 25,403.97-38,088.14-13,724.85

Finding the Fourth Proportional to 25,403.97, 38,088.14 and 13,724.85

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Solution

The fourth proportional to 25,403.97, 38,088.14 and 13,724.85 is: 20,577.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,403.97 : 38,088.14 = 13,724.85 : x
  2. Step 2: Convert to fraction form
    25,403.97/38,088.14 = 13,724.85/x
  3. Step 3: Cross multiply
    25,403.97x = 38,088.14 × 13,724.85
  4. Step 4: Simplify right side
    25,403.97x = 522,753,939.65
  5. Step 5: Solve for x
    x = 522,753,939.65/25,403.97
  6. Step 6: Final answer
    x = 20,577.65

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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.