Home / 13,822.26-20,733.40-3,434.02

Finding the Fourth Proportional to 13,822.26, 20,733.40 and 3,434.02

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Solution

The fourth proportional to 13,822.26, 20,733.40 and 3,434.02 is: 5,151.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,822.26 : 20,733.40 = 3,434.02 : x
  2. Step 2: Convert to fraction form
    13,822.26/20,733.40 = 3,434.02/x
  3. Step 3: Cross multiply
    13,822.26x = 20,733.40 × 3,434.02
  4. Step 4: Simplify right side
    13,822.26x = 71,198,910.27
  5. Step 5: Solve for x
    x = 71,198,910.27/13,822.26
  6. Step 6: Final answer
    x = 5,151.03

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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.