Home / 18,517.74-25,566.40-16,524.86

Finding the Fourth Proportional to 18,517.74, 25,566.40 and 16,524.86

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Solution

The fourth proportional to 18,517.74, 25,566.40 and 16,524.86 is: 22,814.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,517.74 : 25,566.40 = 16,524.86 : x
  2. Step 2: Convert to fraction form
    18,517.74/25,566.40 = 16,524.86/x
  3. Step 3: Cross multiply
    18,517.74x = 25,566.40 × 16,524.86
  4. Step 4: Simplify right side
    18,517.74x = 422,481,180.70
  5. Step 5: Solve for x
    x = 422,481,180.70/18,517.74
  6. Step 6: Final answer
    x = 22,814.94

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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.