Home / 23,163.28-34,791.42-13,821.53

Finding the Fourth Proportional to 23,163.28, 34,791.42 and 13,821.53

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Solution

The fourth proportional to 23,163.28, 34,791.42 and 13,821.53 is: 20,760.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,163.28 : 34,791.42 = 13,821.53 : x
  2. Step 2: Convert to fraction form
    23,163.28/34,791.42 = 13,821.53/x
  3. Step 3: Cross multiply
    23,163.28x = 34,791.42 × 13,821.53
  4. Step 4: Simplify right side
    23,163.28x = 480,870,655.27
  5. Step 5: Solve for x
    x = 480,870,655.27/23,163.28
  6. Step 6: Final answer
    x = 20,760.04

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1.5x scale

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.