Home / 13,761.33-18,983.69-8,092.47

Finding the Fourth Proportional to 13,761.33, 18,983.69 and 8,092.47

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Solution

The fourth proportional to 13,761.33, 18,983.69 and 8,092.47 is: 11,163.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,761.33 : 18,983.69 = 8,092.47 : x
  2. Step 2: Convert to fraction form
    13,761.33/18,983.69 = 8,092.47/x
  3. Step 3: Cross multiply
    13,761.33x = 18,983.69 × 8,092.47
  4. Step 4: Simplify right side
    13,761.33x = 153,625,048.41
  5. Step 5: Solve for x
    x = 153,625,048.41/13,761.33
  6. Step 6: Final answer
    x = 11,163.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.