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Finding the Fourth Proportional to 14.73, 22.07 and 13.29

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Solution

The fourth proportional to 14.73, 22.07 and 13.29 is: 19.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14.73 : 22.07 = 13.29 : x
  2. Step 2: Convert to fraction form
    14.73/22.07 = 13.29/x
  3. Step 3: Cross multiply
    14.73x = 22.07 × 13.29
  4. Step 4: Simplify right side
    14.73x = 293.32
  5. Step 5: Solve for x
    x = 293.32/14.73
  6. Step 6: Final answer
    x = 19.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.