Home / 22,714.06-31,338.11-13,758.70

Finding the Fourth Proportional to 22,714.06, 31,338.11 and 13,758.70

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Solution

The fourth proportional to 22,714.06, 31,338.11 and 13,758.70 is: 18,982.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,714.06 : 31,338.11 = 13,758.70 : x
  2. Step 2: Convert to fraction form
    22,714.06/31,338.11 = 13,758.70/x
  3. Step 3: Cross multiply
    22,714.06x = 31,338.11 × 13,758.70
  4. Step 4: Simplify right side
    22,714.06x = 431,171,654.06
  5. Step 5: Solve for x
    x = 431,171,654.06/22,714.06
  6. Step 6: Final answer
    x = 18,982.59

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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.