Home / 15,151.92-22,731.60-5,291.52

Finding the Fourth Proportional to 15,151.92, 22,731.60 and 5,291.52

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Solution

The fourth proportional to 15,151.92, 22,731.60 and 5,291.52 is: 7,938.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,151.92 : 22,731.60 = 5,291.52 : x
  2. Step 2: Convert to fraction form
    15,151.92/22,731.60 = 5,291.52/x
  3. Step 3: Cross multiply
    15,151.92x = 22,731.60 × 5,291.52
  4. Step 4: Simplify right side
    15,151.92x = 120,284,716.03
  5. Step 5: Solve for x
    x = 120,284,716.03/15,151.92
  6. Step 6: Final answer
    x = 7,938.58

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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.