Home / 20,033.56-27,645.72-11,081.44

Finding the Fourth Proportional to 20,033.56, 27,645.72 and 11,081.44

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Solution

The fourth proportional to 20,033.56, 27,645.72 and 11,081.44 is: 15,292.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,033.56 : 27,645.72 = 11,081.44 : x
  2. Step 2: Convert to fraction form
    20,033.56/27,645.72 = 11,081.44/x
  3. Step 3: Cross multiply
    20,033.56x = 27,645.72 × 11,081.44
  4. Step 4: Simplify right side
    20,033.56x = 306,354,387.44
  5. Step 5: Solve for x
    x = 306,354,387.44/20,033.56
  6. Step 6: Final answer
    x = 15,292.06

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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.