Home / 20,202.44-27,877.38-11,249.60

Finding the Fourth Proportional to 20,202.44, 27,877.38 and 11,249.60

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Solution

The fourth proportional to 20,202.44, 27,877.38 and 11,249.60 is: 15,523.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,202.44 : 27,877.38 = 11,249.60 : x
  2. Step 2: Convert to fraction form
    20,202.44/27,877.38 = 11,249.60/x
  3. Step 3: Cross multiply
    20,202.44x = 27,877.38 × 11,249.60
  4. Step 4: Simplify right side
    20,202.44x = 313,609,374.05
  5. Step 5: Solve for x
    x = 313,609,374.05/20,202.44
  6. Step 6: Final answer
    x = 15,523.34

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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.