Home / 21,936.48-32,919.30-10,250.62

Finding the Fourth Proportional to 21,936.48, 32,919.30 and 10,250.62

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Solution

The fourth proportional to 21,936.48, 32,919.30 and 10,250.62 is: 15,382.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,936.48 : 32,919.30 = 10,250.62 : x
  2. Step 2: Convert to fraction form
    21,936.48/32,919.30 = 10,250.62/x
  3. Step 3: Cross multiply
    21,936.48x = 32,919.30 × 10,250.62
  4. Step 4: Simplify right side
    21,936.48x = 337,443,234.97
  5. Step 5: Solve for x
    x = 337,443,234.97/21,936.48
  6. Step 6: Final answer
    x = 15,382.74

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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.