Home / 13,553.15-20,326.43-3,692.48

Finding the Fourth Proportional to 13,553.15, 20,326.43 and 3,692.48

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Solution

The fourth proportional to 13,553.15, 20,326.43 and 3,692.48 is: 5,537.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,553.15 : 20,326.43 = 3,692.48 : x
  2. Step 2: Convert to fraction form
    13,553.15/20,326.43 = 3,692.48/x
  3. Step 3: Cross multiply
    13,553.15x = 20,326.43 × 3,692.48
  4. Step 4: Simplify right side
    13,553.15x = 75,054,816.15
  5. Step 5: Solve for x
    x = 75,054,816.15/13,553.15
  6. Step 6: Final answer
    x = 5,537.82

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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.