Home / 15,902.62-23,856.68-5,372.71

Finding the Fourth Proportional to 15,902.62, 23,856.68 and 5,372.71

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Solution

The fourth proportional to 15,902.62, 23,856.68 and 5,372.71 is: 8,059.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,902.62 : 23,856.68 = 5,372.71 : x
  2. Step 2: Convert to fraction form
    15,902.62/23,856.68 = 5,372.71/x
  3. Step 3: Cross multiply
    15,902.62x = 23,856.68 × 5,372.71
  4. Step 4: Simplify right side
    15,902.62x = 128,175,023.20
  5. Step 5: Solve for x
    x = 128,175,023.20/15,902.62
  6. Step 6: Final answer
    x = 8,059.99

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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.