Home / 15,579.62-23,369.49-3,892.85

Finding the Fourth Proportional to 15,579.62, 23,369.49 and 3,892.85

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Solution

The fourth proportional to 15,579.62, 23,369.49 and 3,892.85 is: 5,839.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,579.62 : 23,369.49 = 3,892.85 : x
  2. Step 2: Convert to fraction form
    15,579.62/23,369.49 = 3,892.85/x
  3. Step 3: Cross multiply
    15,579.62x = 23,369.49 × 3,892.85
  4. Step 4: Simplify right side
    15,579.62x = 90,973,919.15
  5. Step 5: Solve for x
    x = 90,973,919.15/15,579.62
  6. Step 6: Final answer
    x = 5,839.29

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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.