Home / 41,728.20-62,605.68-12,147.81

Finding the Fourth Proportional to 41,728.20, 62,605.68 and 12,147.81

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Solution

The fourth proportional to 41,728.20, 62,605.68 and 12,147.81 is: 18,225.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,728.20 : 62,605.68 = 12,147.81 : x
  2. Step 2: Convert to fraction form
    41,728.20/62,605.68 = 12,147.81/x
  3. Step 3: Cross multiply
    41,728.20x = 62,605.68 × 12,147.81
  4. Step 4: Simplify right side
    41,728.20x = 760,521,625.24
  5. Step 5: Solve for x
    x = 760,521,625.24/41,728.20
  6. Step 6: Final answer
    x = 18,225.61

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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.