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Finding the Fourth Proportional to 24.56, 33.90 and 14.86

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Solution

The fourth proportional to 24.56, 33.90 and 14.86 is: 20.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    24.56 : 33.90 = 14.86 : x
  2. Step 2: Convert to fraction form
    24.56/33.90 = 14.86/x
  3. Step 3: Cross multiply
    24.56x = 33.90 × 14.86
  4. Step 4: Simplify right side
    24.56x = 503.74
  5. Step 5: Solve for x
    x = 503.74/24.56
  6. Step 6: Final answer
    x = 20.51

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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.