Home / 25,451.16-38,180.92-7,916.90

Finding the Fourth Proportional to 25,451.16, 38,180.92 and 7,916.90

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Solution

The fourth proportional to 25,451.16, 38,180.92 and 7,916.90 is: 11,876.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,451.16 : 38,180.92 = 7,916.90 : x
  2. Step 2: Convert to fraction form
    25,451.16/38,180.92 = 7,916.90/x
  3. Step 3: Cross multiply
    25,451.16x = 38,180.92 × 7,916.90
  4. Step 4: Simplify right side
    25,451.16x = 302,274,525.55
  5. Step 5: Solve for x
    x = 302,274,525.55/25,451.16
  6. Step 6: Final answer
    x = 11,876.65

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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.