Home / 15,785.53-23,672.11-5,919.43

Finding the Fourth Proportional to 15,785.53, 23,672.11 and 5,919.43

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Solution

The fourth proportional to 15,785.53, 23,672.11 and 5,919.43 is: 8,876.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,785.53 : 23,672.11 = 5,919.43 : x
  2. Step 2: Convert to fraction form
    15,785.53/23,672.11 = 5,919.43/x
  3. Step 3: Cross multiply
    15,785.53x = 23,672.11 × 5,919.43
  4. Step 4: Simplify right side
    15,785.53x = 140,125,398.10
  5. Step 5: Solve for x
    x = 140,125,398.10/15,785.53
  6. Step 6: Final answer
    x = 8,876.83

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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.