Home / 22,272.57-30,737.07-12,201.89

Finding the Fourth Proportional to 22,272.57, 30,737.07 and 12,201.89

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Solution

The fourth proportional to 22,272.57, 30,737.07 and 12,201.89 is: 16,839.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,272.57 : 30,737.07 = 12,201.89 : x
  2. Step 2: Convert to fraction form
    22,272.57/30,737.07 = 12,201.89/x
  3. Step 3: Cross multiply
    22,272.57x = 30,737.07 × 12,201.89
  4. Step 4: Simplify right side
    22,272.57x = 375,050,193.38
  5. Step 5: Solve for x
    x = 375,050,193.38/22,272.57
  6. Step 6: Final answer
    x = 16,839.11

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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.