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Finding the Fourth Proportional to 14.98, 20.62 and 14.44

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Solution

The fourth proportional to 14.98, 20.62 and 14.44 is: 19.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14.98 : 20.62 = 14.44 : x
  2. Step 2: Convert to fraction form
    14.98/20.62 = 14.44/x
  3. Step 3: Cross multiply
    14.98x = 20.62 × 14.44
  4. Step 4: Simplify right side
    14.98x = 297.75
  5. Step 5: Solve for x
    x = 297.75/14.98
  6. Step 6: Final answer
    x = 19.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.