Home / 27,754.54-38,301.30-15,179.32

Finding the Fourth Proportional to 27,754.54, 38,301.30 and 15,179.32

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Solution

The fourth proportional to 27,754.54, 38,301.30 and 15,179.32 is: 20,947.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,754.54 : 38,301.30 = 15,179.32 : x
  2. Step 2: Convert to fraction form
    27,754.54/38,301.30 = 15,179.32/x
  3. Step 3: Cross multiply
    27,754.54x = 38,301.30 × 15,179.32
  4. Step 4: Simplify right side
    27,754.54x = 581,387,689.12
  5. Step 5: Solve for x
    x = 581,387,689.12/27,754.54
  6. Step 6: Final answer
    x = 20,947.48

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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.