Home / 21,731.82-32,581.74-6,932.22

Finding the Fourth Proportional to 21,731.82, 32,581.74 and 6,932.22

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Solution

The fourth proportional to 21,731.82, 32,581.74 and 6,932.22 is: 10,393.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,731.82 : 32,581.74 = 6,932.22 : x
  2. Step 2: Convert to fraction form
    21,731.82/32,581.74 = 6,932.22/x
  3. Step 3: Cross multiply
    21,731.82x = 32,581.74 × 6,932.22
  4. Step 4: Simplify right side
    21,731.82x = 225,863,789.66
  5. Step 5: Solve for x
    x = 225,863,789.66/21,731.82
  6. Step 6: Final answer
    x = 10,393.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.