Home / 20,028.06-27,637.61-11,074.97

Finding the Fourth Proportional to 20,028.06, 27,637.61 and 11,074.97

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Solution

The fourth proportional to 20,028.06, 27,637.61 and 11,074.97 is: 15,282.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,028.06 : 27,637.61 = 11,074.97 : x
  2. Step 2: Convert to fraction form
    20,028.06/27,637.61 = 11,074.97/x
  3. Step 3: Cross multiply
    20,028.06x = 27,637.61 × 11,074.97
  4. Step 4: Simplify right side
    20,028.06x = 306,085,508.06
  5. Step 5: Solve for x
    x = 306,085,508.06/20,028.06
  6. Step 6: Final answer
    x = 15,282.83

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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.