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Finding the Fourth Proportional to 22,373.64, 30,868.79 and 14,714.73

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Solution

The fourth proportional to 22,373.64, 30,868.79 and 14,714.73 is: 20,301.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,373.64 : 30,868.79 = 14,714.73 : x
  2. Step 2: Convert to fraction form
    22,373.64/30,868.79 = 14,714.73/x
  3. Step 3: Cross multiply
    22,373.64x = 30,868.79 × 14,714.73
  4. Step 4: Simplify right side
    22,373.64x = 454,225,836.70
  5. Step 5: Solve for x
    x = 454,225,836.70/22,373.64
  6. Step 6: Final answer
    x = 20,301.83

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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.