Home / 20,025.97-27,634.77-11,072.97

Finding the Fourth Proportional to 20,025.97, 27,634.77 and 11,072.97

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Solution

The fourth proportional to 20,025.97, 27,634.77 and 11,072.97 is: 15,280.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,025.97 : 27,634.77 = 11,072.97 : x
  2. Step 2: Convert to fraction form
    20,025.97/27,634.77 = 11,072.97/x
  3. Step 3: Cross multiply
    20,025.97x = 27,634.77 × 11,072.97
  4. Step 4: Simplify right side
    20,025.97x = 305,998,979.17
  5. Step 5: Solve for x
    x = 305,998,979.17/20,025.97
  6. Step 6: Final answer
    x = 15,280.11

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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.