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Finding the Fourth Proportional to 18,116.88, 24,963.84 and 14,565.84

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Solution

The fourth proportional to 18,116.88, 24,963.84 and 14,565.84 is: 20,070.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,116.88 : 24,963.84 = 14,565.84 : x
  2. Step 2: Convert to fraction form
    18,116.88/24,963.84 = 14,565.84/x
  3. Step 3: Cross multiply
    18,116.88x = 24,963.84 × 14,565.84
  4. Step 4: Simplify right side
    18,116.88x = 363,619,299.23
  5. Step 5: Solve for x
    x = 363,619,299.23/18,116.88
  6. Step 6: Final answer
    x = 20,070.75

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1.5x scale

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.