Home / 23,286.30-32,153.67-18,620.70

Finding the Fourth Proportional to 23,286.30, 32,153.67 and 18,620.70

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Solution

The fourth proportional to 23,286.30, 32,153.67 and 18,620.70 is: 25,711.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,286.30 : 32,153.67 = 18,620.70 : x
  2. Step 2: Convert to fraction form
    23,286.30/32,153.67 = 18,620.70/x
  3. Step 3: Cross multiply
    23,286.30x = 32,153.67 × 18,620.70
  4. Step 4: Simplify right side
    23,286.30x = 598,723,842.97
  5. Step 5: Solve for x
    x = 598,723,842.97/23,286.30
  6. Step 6: Final answer
    x = 25,711.42

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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.