Home / 22,310.27-30,789.13-13,356.04

Finding the Fourth Proportional to 22,310.27, 30,789.13 and 13,356.04

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Solution

The fourth proportional to 22,310.27, 30,789.13 and 13,356.04 is: 18,431.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,310.27 : 30,789.13 = 13,356.04 : x
  2. Step 2: Convert to fraction form
    22,310.27/30,789.13 = 13,356.04/x
  3. Step 3: Cross multiply
    22,310.27x = 30,789.13 × 13,356.04
  4. Step 4: Simplify right side
    22,310.27x = 411,220,851.85
  5. Step 5: Solve for x
    x = 411,220,851.85/22,310.27
  6. Step 6: Final answer
    x = 18,431.91

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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.