Home / 25,385.98-38,081.52-8,743.80

Finding the Fourth Proportional to 25,385.98, 38,081.52 and 8,743.80

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Solution

The fourth proportional to 25,385.98, 38,081.52 and 8,743.80 is: 13,116.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,385.98 : 38,081.52 = 8,743.80 : x
  2. Step 2: Convert to fraction form
    25,385.98/38,081.52 = 8,743.80/x
  3. Step 3: Cross multiply
    25,385.98x = 38,081.52 × 8,743.80
  4. Step 4: Simplify right side
    25,385.98x = 332,977,194.58
  5. Step 5: Solve for x
    x = 332,977,194.58/25,385.98
  6. Step 6: Final answer
    x = 13,116.58

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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.