Home / 20,183.30-27,847.37-12,114.86

Finding the Fourth Proportional to 20,183.30, 27,847.37 and 12,114.86

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Solution

The fourth proportional to 20,183.30, 27,847.37 and 12,114.86 is: 16,715.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,183.30 : 27,847.37 = 12,114.86 : x
  2. Step 2: Convert to fraction form
    20,183.30/27,847.37 = 12,114.86/x
  3. Step 3: Cross multiply
    20,183.30x = 27,847.37 × 12,114.86
  4. Step 4: Simplify right side
    20,183.30x = 337,366,789.11
  5. Step 5: Solve for x
    x = 337,366,789.11/20,183.30
  6. Step 6: Final answer
    x = 16,715.15

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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.