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Finding the Fourth Proportional to 14.62, 22.04 and 12.95

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Solution

The fourth proportional to 14.62, 22.04 and 12.95 is: 19.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14.62 : 22.04 = 12.95 : x
  2. Step 2: Convert to fraction form
    14.62/22.04 = 12.95/x
  3. Step 3: Cross multiply
    14.62x = 22.04 × 12.95
  4. Step 4: Simplify right side
    14.62x = 285.24
  5. Step 5: Solve for x
    x = 285.24/14.62
  6. Step 6: Final answer
    x = 19.51

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.