Home / 19,252.38-28,876.34-5,211.57

Finding the Fourth Proportional to 19,252.38, 28,876.34 and 5,211.57

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Solution

The fourth proportional to 19,252.38, 28,876.34 and 5,211.57 is: 7,816.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,252.38 : 28,876.34 = 5,211.57 : x
  2. Step 2: Convert to fraction form
    19,252.38/28,876.34 = 5,211.57/x
  3. Step 3: Cross multiply
    19,252.38x = 28,876.34 × 5,211.57
  4. Step 4: Simplify right side
    19,252.38x = 150,491,067.25
  5. Step 5: Solve for x
    x = 150,491,067.25/19,252.38
  6. Step 6: Final answer
    x = 7,816.75

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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.