Home / 15,363.30-23,023.31-12,229.37

Finding the Fourth Proportional to 15,363.30, 23,023.31 and 12,229.37

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Solution

The fourth proportional to 15,363.30, 23,023.31 and 12,229.37 is: 18,326.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,363.30 : 23,023.31 = 12,229.37 : x
  2. Step 2: Convert to fraction form
    15,363.30/23,023.31 = 12,229.37/x
  3. Step 3: Cross multiply
    15,363.30x = 23,023.31 × 12,229.37
  4. Step 4: Simplify right side
    15,363.30x = 281,560,400.35
  5. Step 5: Solve for x
    x = 281,560,400.35/15,363.30
  6. Step 6: Final answer
    x = 18,326.82

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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.