Home / 13,769.24-20,627.30-8,227.02

Finding the Fourth Proportional to 13,769.24, 20,627.30 and 8,227.02

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Solution

The fourth proportional to 13,769.24, 20,627.30 and 8,227.02 is: 12,324.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,769.24 : 20,627.30 = 8,227.02 : x
  2. Step 2: Convert to fraction form
    13,769.24/20,627.30 = 8,227.02/x
  3. Step 3: Cross multiply
    13,769.24x = 20,627.30 × 8,227.02
  4. Step 4: Simplify right side
    13,769.24x = 169,701,209.65
  5. Step 5: Solve for x
    x = 169,701,209.65/13,769.24
  6. Step 6: Final answer
    x = 12,324.66

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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.