Home / 20,199.64-27,877.26-11,249.14

Finding the Fourth Proportional to 20,199.64, 27,877.26 and 11,249.14

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Solution

The fourth proportional to 20,199.64, 27,877.26 and 11,249.14 is: 15,524.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,199.64 : 27,877.26 = 11,249.14 : x
  2. Step 2: Convert to fraction form
    20,199.64/27,877.26 = 11,249.14/x
  3. Step 3: Cross multiply
    20,199.64x = 27,877.26 × 11,249.14
  4. Step 4: Simplify right side
    20,199.64x = 313,595,200.56
  5. Step 5: Solve for x
    x = 313,595,200.56/20,199.64
  6. Step 6: Final answer
    x = 15,524.79

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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.