Home / 20,033.28-27,645.23-11,080.75

Finding the Fourth Proportional to 20,033.28, 27,645.23 and 11,080.75

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Solution

The fourth proportional to 20,033.28, 27,645.23 and 11,080.75 is: 15,291.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,033.28 : 27,645.23 = 11,080.75 : x
  2. Step 2: Convert to fraction form
    20,033.28/27,645.23 = 11,080.75/x
  3. Step 3: Cross multiply
    20,033.28x = 27,645.23 × 11,080.75
  4. Step 4: Simplify right side
    20,033.28x = 306,329,882.32
  5. Step 5: Solve for x
    x = 306,329,882.32/20,033.28
  6. Step 6: Final answer
    x = 15,291.05

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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.