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Finding the Fourth Proportional to 22,248.58, 30,689.70 and 14,694.92

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Solution

The fourth proportional to 22,248.58, 30,689.70 and 14,694.92 is: 20,270.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,248.58 : 30,689.70 = 14,694.92 : x
  2. Step 2: Convert to fraction form
    22,248.58/30,689.70 = 14,694.92/x
  3. Step 3: Cross multiply
    22,248.58x = 30,689.70 × 14,694.92
  4. Step 4: Simplify right side
    22,248.58x = 450,982,686.32
  5. Step 5: Solve for x
    x = 450,982,686.32/22,248.58
  6. Step 6: Final answer
    x = 20,270.18

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Double scale
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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.