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Finding the Fourth Proportional to 19.52, 26.92 and 18.14

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Solution

The fourth proportional to 19.52, 26.92 and 18.14 is: 25.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19.52 : 26.92 = 18.14 : x
  2. Step 2: Convert to fraction form
    19.52/26.92 = 18.14/x
  3. Step 3: Cross multiply
    19.52x = 26.92 × 18.14
  4. Step 4: Simplify right side
    19.52x = 488.33
  5. Step 5: Solve for x
    x = 488.33/19.52
  6. Step 6: Final answer
    x = 25.02

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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.