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Finding the Fourth Proportional to 14.73, 22.12 and 13.37

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Solution

The fourth proportional to 14.73, 22.12 and 13.37 is: 20.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14.73 : 22.12 = 13.37 : x
  2. Step 2: Convert to fraction form
    14.73/22.12 = 13.37/x
  3. Step 3: Cross multiply
    14.73x = 22.12 × 13.37
  4. Step 4: Simplify right side
    14.73x = 295.68
  5. Step 5: Solve for x
    x = 295.68/14.73
  6. Step 6: Final answer
    x = 20.07

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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.