Home / 25,882.55-38,785.25-13,385.88

Finding the Fourth Proportional to 25,882.55, 38,785.25 and 13,385.88

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Solution

The fourth proportional to 25,882.55, 38,785.25 and 13,385.88 is: 20,058.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,882.55 : 38,785.25 = 13,385.88 : x
  2. Step 2: Convert to fraction form
    25,882.55/38,785.25 = 13,385.88/x
  3. Step 3: Cross multiply
    25,882.55x = 38,785.25 × 13,385.88
  4. Step 4: Simplify right side
    25,882.55x = 519,174,735.73
  5. Step 5: Solve for x
    x = 519,174,735.73/25,882.55
  6. Step 6: Final answer
    x = 20,058.88

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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.