Home / 13,554.15-20,327.10-3,692.13

Finding the Fourth Proportional to 13,554.15, 20,327.10 and 3,692.13

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Solution

The fourth proportional to 13,554.15, 20,327.10 and 3,692.13 is: 5,537.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,554.15 : 20,327.10 = 3,692.13 : x
  2. Step 2: Convert to fraction form
    13,554.15/20,327.10 = 3,692.13/x
  3. Step 3: Cross multiply
    13,554.15x = 20,327.10 × 3,692.13
  4. Step 4: Simplify right side
    13,554.15x = 75,050,295.72
  5. Step 5: Solve for x
    x = 75,050,295.72/13,554.15
  6. Step 6: Final answer
    x = 5,537.07

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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.