Home / 20,692.91-28,555.62-11,741.24

Finding the Fourth Proportional to 20,692.91, 28,555.62 and 11,741.24

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Solution

The fourth proportional to 20,692.91, 28,555.62 and 11,741.24 is: 16,202.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,692.91 : 28,555.62 = 11,741.24 : x
  2. Step 2: Convert to fraction form
    20,692.91/28,555.62 = 11,741.24/x
  3. Step 3: Cross multiply
    20,692.91x = 28,555.62 × 11,741.24
  4. Step 4: Simplify right side
    20,692.91x = 335,278,387.77
  5. Step 5: Solve for x
    x = 335,278,387.77/20,692.91
  6. Step 6: Final answer
    x = 16,202.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.