Home / 20,193.23-27,863.19-18,560.09

Finding the Fourth Proportional to 20,193.23, 27,863.19 and 18,560.09

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Solution

The fourth proportional to 20,193.23, 27,863.19 and 18,560.09 is: 25,609.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,193.23 : 27,863.19 = 18,560.09 : x
  2. Step 2: Convert to fraction form
    20,193.23/27,863.19 = 18,560.09/x
  3. Step 3: Cross multiply
    20,193.23x = 27,863.19 × 18,560.09
  4. Step 4: Simplify right side
    20,193.23x = 517,143,314.09
  5. Step 5: Solve for x
    x = 517,143,314.09/20,193.23
  6. Step 6: Final answer
    x = 25,609.74

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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.