Home / 18,248.49-27,371.31-11,229.45

Finding the Fourth Proportional to 18,248.49, 27,371.31 and 11,229.45

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Solution

The fourth proportional to 18,248.49, 27,371.31 and 11,229.45 is: 16,843.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,248.49 : 27,371.31 = 11,229.45 : x
  2. Step 2: Convert to fraction form
    18,248.49/27,371.31 = 11,229.45/x
  3. Step 3: Cross multiply
    18,248.49x = 27,371.31 × 11,229.45
  4. Step 4: Simplify right side
    18,248.49x = 307,364,757.08
  5. Step 5: Solve for x
    x = 307,364,757.08/18,248.49
  6. Step 6: Final answer
    x = 16,843.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.