Home / 23,221.56-32,045.88-13,151.97

Finding the Fourth Proportional to 23,221.56, 32,045.88 and 13,151.97

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Solution

The fourth proportional to 23,221.56, 32,045.88 and 13,151.97 is: 18,149.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,221.56 : 32,045.88 = 13,151.97 : x
  2. Step 2: Convert to fraction form
    23,221.56/32,045.88 = 13,151.97/x
  3. Step 3: Cross multiply
    23,221.56x = 32,045.88 × 13,151.97
  4. Step 4: Simplify right side
    23,221.56x = 421,466,452.38
  5. Step 5: Solve for x
    x = 421,466,452.38/23,221.56
  6. Step 6: Final answer
    x = 18,149.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.