Home / 25,766.72-38,651.88-8,237.96

Finding the Fourth Proportional to 25,766.72, 38,651.88 and 8,237.96

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Solution

The fourth proportional to 25,766.72, 38,651.88 and 8,237.96 is: 12,357.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,766.72 : 38,651.88 = 8,237.96 : x
  2. Step 2: Convert to fraction form
    25,766.72/38,651.88 = 8,237.96/x
  3. Step 3: Cross multiply
    25,766.72x = 38,651.88 × 8,237.96
  4. Step 4: Simplify right side
    25,766.72x = 318,412,641.36
  5. Step 5: Solve for x
    x = 318,412,641.36/25,766.72
  6. Step 6: Final answer
    x = 12,357.52

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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.