Home / 20,249.44-27,932.96-11,864.32

Finding the Fourth Proportional to 20,249.44, 27,932.96 and 11,864.32

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Solution

The fourth proportional to 20,249.44, 27,932.96 and 11,864.32 is: 16,366.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,249.44 : 27,932.96 = 11,864.32 : x
  2. Step 2: Convert to fraction form
    20,249.44/27,932.96 = 11,864.32/x
  3. Step 3: Cross multiply
    20,249.44x = 27,932.96 × 11,864.32
  4. Step 4: Simplify right side
    20,249.44x = 331,405,575.99
  5. Step 5: Solve for x
    x = 331,405,575.99/20,249.44
  6. Step 6: Final answer
    x = 16,366.16

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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.