Home / 20,183.30-27,853.60-12,627.22

Finding the Fourth Proportional to 20,183.30, 27,853.60 and 12,627.22

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Solution

The fourth proportional to 20,183.30, 27,853.60 and 12,627.22 is: 17,425.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,183.30 : 27,853.60 = 12,627.22 : x
  2. Step 2: Convert to fraction form
    20,183.30/27,853.60 = 12,627.22/x
  3. Step 3: Cross multiply
    20,183.30x = 27,853.60 × 12,627.22
  4. Step 4: Simplify right side
    20,183.30x = 351,713,534.99
  5. Step 5: Solve for x
    x = 351,713,534.99/20,183.30
  6. Step 6: Final answer
    x = 17,425.97

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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.