Home / 21,371.24-32,053.62-7,517

Finding the Fourth Proportional to 21,371.24, 32,053.62 and 7,517

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Solution

The fourth proportional to 21,371.24, 32,053.62 and 7,517 is: 11,274.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,371.24 : 32,053.62 = 7,517 : x
  2. Step 2: Convert to fraction form
    21,371.24/32,053.62 = 7,517/x
  3. Step 3: Cross multiply
    21,371.24x = 32,053.62 × 7,517
  4. Step 4: Simplify right side
    21,371.24x = 240,947,061.54
  5. Step 5: Solve for x
    x = 240,947,061.54/21,371.24
  6. Step 6: Final answer
    x = 11,274.36

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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.