Home / 22,921.48-31,645.92-17,605.72

Finding the Fourth Proportional to 22,921.48, 31,645.92 and 17,605.72

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Solution

The fourth proportional to 22,921.48, 31,645.92 and 17,605.72 is: 24,306.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,921.48 : 31,645.92 = 17,605.72 : x
  2. Step 2: Convert to fraction form
    22,921.48/31,645.92 = 17,605.72/x
  3. Step 3: Cross multiply
    22,921.48x = 31,645.92 × 17,605.72
  4. Step 4: Simplify right side
    22,921.48x = 557,149,206.66
  5. Step 5: Solve for x
    x = 557,149,206.66/22,921.48
  6. Step 6: Final answer
    x = 24,306.86

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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.