Home / 15,083.25-22,621.74-5,720.04

Finding the Fourth Proportional to 15,083.25, 22,621.74 and 5,720.04

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Solution

The fourth proportional to 15,083.25, 22,621.74 and 5,720.04 is: 8,578.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,083.25 : 22,621.74 = 5,720.04 : x
  2. Step 2: Convert to fraction form
    15,083.25/22,621.74 = 5,720.04/x
  3. Step 3: Cross multiply
    15,083.25x = 22,621.74 × 5,720.04
  4. Step 4: Simplify right side
    15,083.25x = 129,397,257.67
  5. Step 5: Solve for x
    x = 129,397,257.67/15,083.25
  6. Step 6: Final answer
    x = 8,578.87

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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.