Home / 14,515.20-21,764.70-6,193.80

Finding the Fourth Proportional to 14,515.20, 21,764.70 and 6,193.80

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Solution

The fourth proportional to 14,515.20, 21,764.70 and 6,193.80 is: 9,287.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,515.20 : 21,764.70 = 6,193.80 : x
  2. Step 2: Convert to fraction form
    14,515.20/21,764.70 = 6,193.80/x
  3. Step 3: Cross multiply
    14,515.20x = 21,764.70 × 6,193.80
  4. Step 4: Simplify right side
    14,515.20x = 134,806,198.86
  5. Step 5: Solve for x
    x = 134,806,198.86/14,515.20
  6. Step 6: Final answer
    x = 9,287.24

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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.