Home / 20,198.44-27,873.20-11,245.74

Finding the Fourth Proportional to 20,198.44, 27,873.20 and 11,245.74

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Solution

The fourth proportional to 20,198.44, 27,873.20 and 11,245.74 is: 15,518.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,198.44 : 27,873.20 = 11,245.74 : x
  2. Step 2: Convert to fraction form
    20,198.44/27,873.20 = 11,245.74/x
  3. Step 3: Cross multiply
    20,198.44x = 27,873.20 × 11,245.74
  4. Step 4: Simplify right side
    20,198.44x = 313,454,760.17
  5. Step 5: Solve for x
    x = 313,454,760.17/20,198.44
  6. Step 6: Final answer
    x = 15,518.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.