Home / 25,169.20-37,730.32-8,517.65

Finding the Fourth Proportional to 25,169.20, 37,730.32 and 8,517.65

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Solution

The fourth proportional to 25,169.20, 37,730.32 and 8,517.65 is: 12,768.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,169.20 : 37,730.32 = 8,517.65 : x
  2. Step 2: Convert to fraction form
    25,169.20/37,730.32 = 8,517.65/x
  3. Step 3: Cross multiply
    25,169.20x = 37,730.32 × 8,517.65
  4. Step 4: Simplify right side
    25,169.20x = 321,373,660.15
  5. Step 5: Solve for x
    x = 321,373,660.15/25,169.20
  6. Step 6: Final answer
    x = 12,768.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.