Home / 13,692.52-20,535.64-3,832.49

Finding the Fourth Proportional to 13,692.52, 20,535.64 and 3,832.49

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Solution

The fourth proportional to 13,692.52, 20,535.64 and 3,832.49 is: 5,747.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,692.52 : 20,535.64 = 3,832.49 : x
  2. Step 2: Convert to fraction form
    13,692.52/20,535.64 = 3,832.49/x
  3. Step 3: Cross multiply
    13,692.52x = 20,535.64 × 3,832.49
  4. Step 4: Simplify right side
    13,692.52x = 78,702,634.94
  5. Step 5: Solve for x
    x = 78,702,634.94/13,692.52
  6. Step 6: Final answer
    x = 5,747.86

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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.