Home / 20,197.62-27,873.19-11,245.73

Finding the Fourth Proportional to 20,197.62, 27,873.19 and 11,245.73

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Solution

The fourth proportional to 20,197.62, 27,873.19 and 11,245.73 is: 15,519.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,197.62 : 27,873.19 = 11,245.73 : x
  2. Step 2: Convert to fraction form
    20,197.62/27,873.19 = 11,245.73/x
  3. Step 3: Cross multiply
    20,197.62x = 27,873.19 × 11,245.73
  4. Step 4: Simplify right side
    20,197.62x = 313,454,368.98
  5. Step 5: Solve for x
    x = 313,454,368.98/20,197.62
  6. Step 6: Final answer
    x = 15,519.37

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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.