Home / 20,090.96-27,724.72-11,016.13

Finding the Fourth Proportional to 20,090.96, 27,724.72 and 11,016.13

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Solution

The fourth proportional to 20,090.96, 27,724.72 and 11,016.13 is: 15,201.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,090.96 : 27,724.72 = 11,016.13 : x
  2. Step 2: Convert to fraction form
    20,090.96/27,724.72 = 11,016.13/x
  3. Step 3: Cross multiply
    20,090.96x = 27,724.72 × 11,016.13
  4. Step 4: Simplify right side
    20,090.96x = 305,419,119.73
  5. Step 5: Solve for x
    x = 305,419,119.73/20,090.96
  6. Step 6: Final answer
    x = 15,201.82

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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.