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Finding the Fourth Proportional to 24.86, 34.30 and 13.94

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Solution

The fourth proportional to 24.86, 34.30 and 13.94 is: 19.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    24.86 : 34.30 = 13.94 : x
  2. Step 2: Convert to fraction form
    24.86/34.30 = 13.94/x
  3. Step 3: Cross multiply
    24.86x = 34.30 × 13.94
  4. Step 4: Simplify right side
    24.86x = 478.17
  5. Step 5: Solve for x
    x = 478.17/24.86
  6. Step 6: Final answer
    x = 19.23

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.