Home / 27,754.68-38,302.02-15,180.24

Finding the Fourth Proportional to 27,754.68, 38,302.02 and 15,180.24

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Solution

The fourth proportional to 27,754.68, 38,302.02 and 15,180.24 is: 20,949.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,754.68 : 38,302.02 = 15,180.24 : x
  2. Step 2: Convert to fraction form
    27,754.68/38,302.02 = 15,180.24/x
  3. Step 3: Cross multiply
    27,754.68x = 38,302.02 × 15,180.24
  4. Step 4: Simplify right side
    27,754.68x = 581,433,856.08
  5. Step 5: Solve for x
    x = 581,433,856.08/27,754.68
  6. Step 6: Final answer
    x = 20,949.04

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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.