Home / 21,937.28-32,918.88-8,096

Finding the Fourth Proportional to 21,937.28, 32,918.88 and 8,096

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Solution

The fourth proportional to 21,937.28, 32,918.88 and 8,096 is: 12,148.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,937.28 : 32,918.88 = 8,096 : x
  2. Step 2: Convert to fraction form
    21,937.28/32,918.88 = 8,096/x
  3. Step 3: Cross multiply
    21,937.28x = 32,918.88 × 8,096
  4. Step 4: Simplify right side
    21,937.28x = 266,511,252.48
  5. Step 5: Solve for x
    x = 266,511,252.48/21,937.28
  6. Step 6: Final answer
    x = 12,148.78

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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.