Home / 18,481.12-27,578.56-16,512.16

Finding the Fourth Proportional to 18,481.12, 27,578.56 and 16,512.16

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Solution

The fourth proportional to 18,481.12, 27,578.56 and 16,512.16 is: 24,640.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,481.12 : 27,578.56 = 16,512.16 : x
  2. Step 2: Convert to fraction form
    18,481.12/27,578.56 = 16,512.16/x
  3. Step 3: Cross multiply
    18,481.12x = 27,578.56 × 16,512.16
  4. Step 4: Simplify right side
    18,481.12x = 455,381,595.29
  5. Step 5: Solve for x
    x = 455,381,595.29/18,481.12
  6. Step 6: Final answer
    x = 24,640.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.