Home / 12,380.19-18,557.25-4,058.04

Finding the Fourth Proportional to 12,380.19, 18,557.25 and 4,058.04

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Solution

The fourth proportional to 12,380.19, 18,557.25 and 4,058.04 is: 6,082.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,380.19 : 18,557.25 = 4,058.04 : x
  2. Step 2: Convert to fraction form
    12,380.19/18,557.25 = 4,058.04/x
  3. Step 3: Cross multiply
    12,380.19x = 18,557.25 × 4,058.04
  4. Step 4: Simplify right side
    12,380.19x = 75,306,062.79
  5. Step 5: Solve for x
    x = 75,306,062.79/12,380.19
  6. Step 6: Final answer
    x = 6,082.79

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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.