Home / 20,196.01-27,867.16-11,243.29

Finding the Fourth Proportional to 20,196.01, 27,867.16 and 11,243.29

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Solution

The fourth proportional to 20,196.01, 27,867.16 and 11,243.29 is: 15,513.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,196.01 : 27,867.16 = 11,243.29 : x
  2. Step 2: Convert to fraction form
    20,196.01/27,867.16 = 11,243.29/x
  3. Step 3: Cross multiply
    20,196.01x = 27,867.16 × 11,243.29
  4. Step 4: Simplify right side
    20,196.01x = 313,318,561.36
  5. Step 5: Solve for x
    x = 313,318,561.36/20,196.01
  6. Step 6: Final answer
    x = 15,513.88

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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.