Home / 13,703.06-20,553.87-3,843.02

Finding the Fourth Proportional to 13,703.06, 20,553.87 and 3,843.02

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Solution

The fourth proportional to 13,703.06, 20,553.87 and 3,843.02 is: 5,764.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,703.06 : 20,553.87 = 3,843.02 : x
  2. Step 2: Convert to fraction form
    13,703.06/20,553.87 = 3,843.02/x
  3. Step 3: Cross multiply
    13,703.06x = 20,553.87 × 3,843.02
  4. Step 4: Simplify right side
    13,703.06x = 78,988,933.49
  5. Step 5: Solve for x
    x = 78,988,933.49/13,703.06
  6. Step 6: Final answer
    x = 5,764.33

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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.