Home / 13,703.67-20,553.98-3,843.33

Finding the Fourth Proportional to 13,703.67, 20,553.98 and 3,843.33

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Solution

The fourth proportional to 13,703.67, 20,553.98 and 3,843.33 is: 5,764.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,703.67 : 20,553.98 = 3,843.33 : x
  2. Step 2: Convert to fraction form
    13,703.67/20,553.98 = 3,843.33/x
  3. Step 3: Cross multiply
    13,703.67x = 20,553.98 × 3,843.33
  4. Step 4: Simplify right side
    13,703.67x = 78,995,708.74
  5. Step 5: Solve for x
    x = 78,995,708.74/13,703.67
  6. Step 6: Final answer
    x = 5,764.57

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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.