Home / 13,692.16-20,535.92-4,072.48

Finding the Fourth Proportional to 13,692.16, 20,535.92 and 4,072.48

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Solution

The fourth proportional to 13,692.16, 20,535.92 and 4,072.48 is: 6,108.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,692.16 : 20,535.92 = 4,072.48 : x
  2. Step 2: Convert to fraction form
    13,692.16/20,535.92 = 4,072.48/x
  3. Step 3: Cross multiply
    13,692.16x = 20,535.92 × 4,072.48
  4. Step 4: Simplify right side
    13,692.16x = 83,632,123.48
  5. Step 5: Solve for x
    x = 83,632,123.48/13,692.16
  6. Step 6: Final answer
    x = 6,108.03

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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.