Home / 19,843.11-27,379.22-11,454.75

Finding the Fourth Proportional to 19,843.11, 27,379.22 and 11,454.75

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Solution

The fourth proportional to 19,843.11, 27,379.22 and 11,454.75 is: 15,805.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,843.11 : 27,379.22 = 11,454.75 : x
  2. Step 2: Convert to fraction form
    19,843.11/27,379.22 = 11,454.75/x
  3. Step 3: Cross multiply
    19,843.11x = 27,379.22 × 11,454.75
  4. Step 4: Simplify right side
    19,843.11x = 313,622,063.02
  5. Step 5: Solve for x
    x = 313,622,063.02/19,843.11
  6. Step 6: Final answer
    x = 15,805.09

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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.