Home / 22,229.80-30,693.19-13,743.56

Finding the Fourth Proportional to 22,229.80, 30,693.19 and 13,743.56

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Solution

The fourth proportional to 22,229.80, 30,693.19 and 13,743.56 is: 18,976.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,229.80 : 30,693.19 = 13,743.56 : x
  2. Step 2: Convert to fraction form
    22,229.80/30,693.19 = 13,743.56/x
  3. Step 3: Cross multiply
    22,229.80x = 30,693.19 × 13,743.56
  4. Step 4: Simplify right side
    22,229.80x = 421,833,476.17
  5. Step 5: Solve for x
    x = 421,833,476.17/22,229.80
  6. Step 6: Final answer
    x = 18,976.04

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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.