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Finding the Fourth Proportional to 14.73, 20.37 and 14.00

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Solution

The fourth proportional to 14.73, 20.37 and 14.00 is: 19.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14.73 : 20.37 = 14.00 : x
  2. Step 2: Convert to fraction form
    14.73/20.37 = 14.00/x
  3. Step 3: Cross multiply
    14.73x = 20.37 × 14.00
  4. Step 4: Simplify right side
    14.73x = 285.08
  5. Step 5: Solve for x
    x = 285.08/14.73
  6. Step 6: Final answer
    x = 19.35

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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.