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Finding the Fourth Proportional to 14.74, 22.07 and 11.34

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Solution

The fourth proportional to 14.74, 22.07 and 11.34 is: 16.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14.74 : 22.07 = 11.34 : x
  2. Step 2: Convert to fraction form
    14.74/22.07 = 11.34/x
  3. Step 3: Cross multiply
    14.74x = 22.07 × 11.34
  4. Step 4: Simplify right side
    14.74x = 250.27
  5. Step 5: Solve for x
    x = 250.27/14.74
  6. Step 6: Final answer
    x = 16.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.