Home / 22,198.66-33,278.55-8,357.38

Finding the Fourth Proportional to 22,198.66, 33,278.55 and 8,357.38

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Solution

The fourth proportional to 22,198.66, 33,278.55 and 8,357.38 is: 12,528.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,198.66 : 33,278.55 = 8,357.38 : x
  2. Step 2: Convert to fraction form
    22,198.66/33,278.55 = 8,357.38/x
  3. Step 3: Cross multiply
    22,198.66x = 33,278.55 × 8,357.38
  4. Step 4: Simplify right side
    22,198.66x = 278,121,373.66
  5. Step 5: Solve for x
    x = 278,121,373.66/22,198.66
  6. Step 6: Final answer
    x = 12,528.75

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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.