Home / 22,951.92-31,669.78-13,522.36

Finding the Fourth Proportional to 22,951.92, 31,669.78 and 13,522.36

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Solution

The fourth proportional to 22,951.92, 31,669.78 and 13,522.36 is: 18,658.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,951.92 : 31,669.78 = 13,522.36 : x
  2. Step 2: Convert to fraction form
    22,951.92/31,669.78 = 13,522.36/x
  3. Step 3: Cross multiply
    22,951.92x = 31,669.78 × 13,522.36
  4. Step 4: Simplify right side
    22,951.92x = 428,250,166.28
  5. Step 5: Solve for x
    x = 428,250,166.28/22,951.92
  6. Step 6: Final answer
    x = 18,658.58

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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.