Home / 25,136.91-37,702.92-12,651.96

Finding the Fourth Proportional to 25,136.91, 37,702.92 and 12,651.96

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Solution

The fourth proportional to 25,136.91, 37,702.92 and 12,651.96 is: 18,976.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,136.91 : 37,702.92 = 12,651.96 : x
  2. Step 2: Convert to fraction form
    25,136.91/37,702.92 = 12,651.96/x
  3. Step 3: Cross multiply
    25,136.91x = 37,702.92 × 12,651.96
  4. Step 4: Simplify right side
    25,136.91x = 477,015,835.72
  5. Step 5: Solve for x
    x = 477,015,835.72/25,136.91
  6. Step 6: Final answer
    x = 18,976.71

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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.