Home / 25,239.68-34,832.28-13,909.15

Finding the Fourth Proportional to 25,239.68, 34,832.28 and 13,909.15

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Solution

The fourth proportional to 25,239.68, 34,832.28 and 13,909.15 is: 19,195.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,239.68 : 34,832.28 = 13,909.15 : x
  2. Step 2: Convert to fraction form
    25,239.68/34,832.28 = 13,909.15/x
  3. Step 3: Cross multiply
    25,239.68x = 34,832.28 × 13,909.15
  4. Step 4: Simplify right side
    25,239.68x = 484,487,233.20
  5. Step 5: Solve for x
    x = 484,487,233.20/25,239.68
  6. Step 6: Final answer
    x = 19,195.46

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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.