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Finding the Fourth Proportional to 14.93, 22.27 and 12.69

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Solution

The fourth proportional to 14.93, 22.27 and 12.69 is: 18.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14.93 : 22.27 = 12.69 : x
  2. Step 2: Convert to fraction form
    14.93/22.27 = 12.69/x
  3. Step 3: Cross multiply
    14.93x = 22.27 × 12.69
  4. Step 4: Simplify right side
    14.93x = 282.64
  5. Step 5: Solve for x
    x = 282.64/14.93
  6. Step 6: Final answer
    x = 18.93

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.