Home / 20,034.54-27,645.22-11,080.82

Finding the Fourth Proportional to 20,034.54, 27,645.22 and 11,080.82

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Solution

The fourth proportional to 20,034.54, 27,645.22 and 11,080.82 is: 15,290.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,034.54 : 27,645.22 = 11,080.82 : x
  2. Step 2: Convert to fraction form
    20,034.54/27,645.22 = 11,080.82/x
  3. Step 3: Cross multiply
    20,034.54x = 27,645.22 × 11,080.82
  4. Step 4: Simplify right side
    20,034.54x = 306,331,706.68
  5. Step 5: Solve for x
    x = 306,331,706.68/20,034.54
  6. Step 6: Final answer
    x = 15,290.18

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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.