Home / 20,034.09-27,646.92-11,081.43

Finding the Fourth Proportional to 20,034.09, 27,646.92 and 11,081.43

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Solution

The fourth proportional to 20,034.09, 27,646.92 and 11,081.43 is: 15,292.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,034.09 : 27,646.92 = 11,081.43 : x
  2. Step 2: Convert to fraction form
    20,034.09/27,646.92 = 11,081.43/x
  3. Step 3: Cross multiply
    20,034.09x = 27,646.92 × 11,081.43
  4. Step 4: Simplify right side
    20,034.09x = 306,367,408.70
  5. Step 5: Solve for x
    x = 306,367,408.70/20,034.09
  6. Step 6: Final answer
    x = 15,292.30

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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.