Home / 25,067.87-37,601.10-8,428.85

Finding the Fourth Proportional to 25,067.87, 37,601.10 and 8,428.85

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Solution

The fourth proportional to 25,067.87, 37,601.10 and 8,428.85 is: 12,643.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,067.87 : 37,601.10 = 8,428.85 : x
  2. Step 2: Convert to fraction form
    25,067.87/37,601.10 = 8,428.85/x
  3. Step 3: Cross multiply
    25,067.87x = 37,601.10 × 8,428.85
  4. Step 4: Simplify right side
    25,067.87x = 316,934,125.74
  5. Step 5: Solve for x
    x = 316,934,125.74/25,067.87
  6. Step 6: Final answer
    x = 12,643.04

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1.5x scale

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.