Home / 25,715.97-38,542.17-15,175.32

Finding the Fourth Proportional to 25,715.97, 38,542.17 and 15,175.32

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Solution

The fourth proportional to 25,715.97, 38,542.17 and 15,175.32 is: 22,744.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,715.97 : 38,542.17 = 15,175.32 : x
  2. Step 2: Convert to fraction form
    25,715.97/38,542.17 = 15,175.32/x
  3. Step 3: Cross multiply
    25,715.97x = 38,542.17 × 15,175.32
  4. Step 4: Simplify right side
    25,715.97x = 584,889,763.24
  5. Step 5: Solve for x
    x = 584,889,763.24/25,715.97
  6. Step 6: Final answer
    x = 22,744.22

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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.