Home / 13,692.38-20,523.56-5,370.84

Finding the Fourth Proportional to 13,692.38, 20,523.56 and 5,370.84

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Solution

The fourth proportional to 13,692.38, 20,523.56 and 5,370.84 is: 8,050.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,692.38 : 20,523.56 = 5,370.84 : x
  2. Step 2: Convert to fraction form
    13,692.38/20,523.56 = 5,370.84/x
  3. Step 3: Cross multiply
    13,692.38x = 20,523.56 × 5,370.84
  4. Step 4: Simplify right side
    13,692.38x = 110,228,730.14
  5. Step 5: Solve for x
    x = 110,228,730.14/13,692.38
  6. Step 6: Final answer
    x = 8,050.37

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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.