Home / 19,694.54-27,179.19-11,198.09

Finding the Fourth Proportional to 19,694.54, 27,179.19 and 11,198.09

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Solution

The fourth proportional to 19,694.54, 27,179.19 and 11,198.09 is: 15,453.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,694.54 : 27,179.19 = 11,198.09 : x
  2. Step 2: Convert to fraction form
    19,694.54/27,179.19 = 11,198.09/x
  3. Step 3: Cross multiply
    19,694.54x = 27,179.19 × 11,198.09
  4. Step 4: Simplify right side
    19,694.54x = 304,355,083.70
  5. Step 5: Solve for x
    x = 304,355,083.70/19,694.54
  6. Step 6: Final answer
    x = 15,453.78

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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.