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Finding the Fourth Proportional to 14.59, 20.02 and 13.37

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Solution

The fourth proportional to 14.59, 20.02 and 13.37 is: 18.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14.59 : 20.02 = 13.37 : x
  2. Step 2: Convert to fraction form
    14.59/20.02 = 13.37/x
  3. Step 3: Cross multiply
    14.59x = 20.02 × 13.37
  4. Step 4: Simplify right side
    14.59x = 267.67
  5. Step 5: Solve for x
    x = 267.67/14.59
  6. Step 6: Final answer
    x = 18.35

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.