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Finding the Fourth Proportional to 16.14, 24.16 and 13.27

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Solution

The fourth proportional to 16.14, 24.16 and 13.27 is: 19.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    16.14 : 24.16 = 13.27 : x
  2. Step 2: Convert to fraction form
    16.14/24.16 = 13.27/x
  3. Step 3: Cross multiply
    16.14x = 24.16 × 13.27
  4. Step 4: Simplify right side
    16.14x = 320.60
  5. Step 5: Solve for x
    x = 320.60/16.14
  6. Step 6: Final answer
    x = 19.86

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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.