Home / 20,179.68-27,843.80-11,794.56

Finding the Fourth Proportional to 20,179.68, 27,843.80 and 11,794.56

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Solution

The fourth proportional to 20,179.68, 27,843.80 and 11,794.56 is: 16,274.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,179.68 : 27,843.80 = 11,794.56 : x
  2. Step 2: Convert to fraction form
    20,179.68/27,843.80 = 11,794.56/x
  3. Step 3: Cross multiply
    20,179.68x = 27,843.80 × 11,794.56
  4. Step 4: Simplify right side
    20,179.68x = 328,405,369.73
  5. Step 5: Solve for x
    x = 328,405,369.73/20,179.68
  6. Step 6: Final answer
    x = 16,274.06

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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.