Home / 15,616.20-23,425.80-8,216.04

Finding the Fourth Proportional to 15,616.20, 23,425.80 and 8,216.04

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Solution

The fourth proportional to 15,616.20, 23,425.80 and 8,216.04 is: 12,324.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,616.20 : 23,425.80 = 8,216.04 : x
  2. Step 2: Convert to fraction form
    15,616.20/23,425.80 = 8,216.04/x
  3. Step 3: Cross multiply
    15,616.20x = 23,425.80 × 8,216.04
  4. Step 4: Simplify right side
    15,616.20x = 192,467,309.83
  5. Step 5: Solve for x
    x = 192,467,309.83/15,616.20
  6. Step 6: Final answer
    x = 12,324.85

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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.