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Finding the Fourth Proportional to 18.96, 26.14 and 14.10

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Solution

The fourth proportional to 18.96, 26.14 and 14.10 is: 19.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18.96 : 26.14 = 14.10 : x
  2. Step 2: Convert to fraction form
    18.96/26.14 = 14.10/x
  3. Step 3: Cross multiply
    18.96x = 26.14 × 14.10
  4. Step 4: Simplify right side
    18.96x = 368.57
  5. Step 5: Solve for x
    x = 368.57/18.96
  6. Step 6: Final answer
    x = 19.44

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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.