Home / 20,231.44-27,932.82-13,064.56

Finding the Fourth Proportional to 20,231.44, 27,932.82 and 13,064.56

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Solution

The fourth proportional to 20,231.44, 27,932.82 and 13,064.56 is: 18,037.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,231.44 : 27,932.82 = 13,064.56 : x
  2. Step 2: Convert to fraction form
    20,231.44/27,932.82 = 13,064.56/x
  3. Step 3: Cross multiply
    20,231.44x = 27,932.82 × 13,064.56
  4. Step 4: Simplify right side
    20,231.44x = 364,930,002.86
  5. Step 5: Solve for x
    x = 364,930,002.86/20,231.44
  6. Step 6: Final answer
    x = 18,037.77

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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.