Home / 21,731.55-32,576.52-6,932.31

Finding the Fourth Proportional to 21,731.55, 32,576.52 and 6,932.31

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Solution

The fourth proportional to 21,731.55, 32,576.52 and 6,932.31 is: 10,391.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,731.55 : 32,576.52 = 6,932.31 : x
  2. Step 2: Convert to fraction form
    21,731.55/32,576.52 = 6,932.31/x
  3. Step 3: Cross multiply
    21,731.55x = 32,576.52 × 6,932.31
  4. Step 4: Simplify right side
    21,731.55x = 225,830,535.36
  5. Step 5: Solve for x
    x = 225,830,535.36/21,731.55
  6. Step 6: Final answer
    x = 10,391.83

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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.