Home / 20,196.23-27,867.33-18,563.09

Finding the Fourth Proportional to 20,196.23, 27,867.33 and 18,563.09

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Solution

The fourth proportional to 20,196.23, 27,867.33 and 18,563.09 is: 25,613.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,196.23 : 27,867.33 = 18,563.09 : x
  2. Step 2: Convert to fraction form
    20,196.23/27,867.33 = 18,563.09/x
  3. Step 3: Cross multiply
    20,196.23x = 27,867.33 × 18,563.09
  4. Step 4: Simplify right side
    20,196.23x = 517,303,754.85
  5. Step 5: Solve for x
    x = 517,303,754.85/20,196.23
  6. Step 6: Final answer
    x = 25,613.88

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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.