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Finding the Fourth Proportional to 16.15, 24.11 and 14.83

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Solution

The fourth proportional to 16.15, 24.11 and 14.83 is: 22.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    16.15 : 24.11 = 14.83 : x
  2. Step 2: Convert to fraction form
    16.15/24.11 = 14.83/x
  3. Step 3: Cross multiply
    16.15x = 24.11 × 14.83
  4. Step 4: Simplify right side
    16.15x = 357.55
  5. Step 5: Solve for x
    x = 357.55/16.15
  6. Step 6: Final answer
    x = 22.14

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.