Home / 21,834.20-32,751.30-6,249.80

Finding the Fourth Proportional to 21,834.20, 32,751.30 and 6,249.80

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Solution

The fourth proportional to 21,834.20, 32,751.30 and 6,249.80 is: 9,374.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,834.20 : 32,751.30 = 6,249.80 : x
  2. Step 2: Convert to fraction form
    21,834.20/32,751.30 = 6,249.80/x
  3. Step 3: Cross multiply
    21,834.20x = 32,751.30 × 6,249.80
  4. Step 4: Simplify right side
    21,834.20x = 204,689,074.74
  5. Step 5: Solve for x
    x = 204,689,074.74/21,834.20
  6. Step 6: Final answer
    x = 9,374.70

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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.