Home / 14,555.88-20,082.42-8,589.54

Finding the Fourth Proportional to 14,555.88, 20,082.42 and 8,589.54

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Solution

The fourth proportional to 14,555.88, 20,082.42 and 8,589.54 is: 11,850.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,555.88 : 20,082.42 = 8,589.54 : x
  2. Step 2: Convert to fraction form
    14,555.88/20,082.42 = 8,589.54/x
  3. Step 3: Cross multiply
    14,555.88x = 20,082.42 × 8,589.54
  4. Step 4: Simplify right side
    14,555.88x = 172,498,749.89
  5. Step 5: Solve for x
    x = 172,498,749.89/14,555.88
  6. Step 6: Final answer
    x = 11,850.79

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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.