Home / 22,183.06-33,254.80-8,139.80

Finding the Fourth Proportional to 22,183.06, 33,254.80 and 8,139.80

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Solution

The fourth proportional to 22,183.06, 33,254.80 and 8,139.80 is: 12,202.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,183.06 : 33,254.80 = 8,139.80 : x
  2. Step 2: Convert to fraction form
    22,183.06/33,254.80 = 8,139.80/x
  3. Step 3: Cross multiply
    22,183.06x = 33,254.80 × 8,139.80
  4. Step 4: Simplify right side
    22,183.06x = 270,687,421.04
  5. Step 5: Solve for x
    x = 270,687,421.04/22,183.06
  6. Step 6: Final answer
    x = 12,202.44

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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.