Home / 25,789.92-38,633.04-13,452

Finding the Fourth Proportional to 25,789.92, 38,633.04 and 13,452

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Solution

The fourth proportional to 25,789.92, 38,633.04 and 13,452 is: 20,150.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,789.92 : 38,633.04 = 13,452 : x
  2. Step 2: Convert to fraction form
    25,789.92/38,633.04 = 13,452/x
  3. Step 3: Cross multiply
    25,789.92x = 38,633.04 × 13,452
  4. Step 4: Simplify right side
    25,789.92x = 519,691,654.08
  5. Step 5: Solve for x
    x = 519,691,654.08/25,789.92
  6. Step 6: Final answer
    x = 20,150.96

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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.