Home / 23,990.76-35,989.17-8,198.79

Finding the Fourth Proportional to 23,990.76, 35,989.17 and 8,198.79

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Solution

The fourth proportional to 23,990.76, 35,989.17 and 8,198.79 is: 12,299.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,990.76 : 35,989.17 = 8,198.79 : x
  2. Step 2: Convert to fraction form
    23,990.76/35,989.17 = 8,198.79/x
  3. Step 3: Cross multiply
    23,990.76x = 35,989.17 × 8,198.79
  4. Step 4: Simplify right side
    23,990.76x = 295,067,647.10
  5. Step 5: Solve for x
    x = 295,067,647.10/23,990.76
  6. Step 6: Final answer
    x = 12,299.22

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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.