Home / 22,680.14-31,291.10-13,724.24

Finding the Fourth Proportional to 22,680.14, 31,291.10 and 13,724.24

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Solution

The fourth proportional to 22,680.14, 31,291.10 and 13,724.24 is: 18,934.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,680.14 : 31,291.10 = 13,724.24 : x
  2. Step 2: Convert to fraction form
    22,680.14/31,291.10 = 13,724.24/x
  3. Step 3: Cross multiply
    22,680.14x = 31,291.10 × 13,724.24
  4. Step 4: Simplify right side
    22,680.14x = 429,446,566.26
  5. Step 5: Solve for x
    x = 429,446,566.26/22,680.14
  6. Step 6: Final answer
    x = 18,934.92

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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.