Home / 18,467.44-27,701.16-8,613.61

Finding the Fourth Proportional to 18,467.44, 27,701.16 and 8,613.61

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Solution

The fourth proportional to 18,467.44, 27,701.16 and 8,613.61 is: 12,920.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,467.44 : 27,701.16 = 8,613.61 : x
  2. Step 2: Convert to fraction form
    18,467.44/27,701.16 = 8,613.61/x
  3. Step 3: Cross multiply
    18,467.44x = 27,701.16 × 8,613.61
  4. Step 4: Simplify right side
    18,467.44x = 238,606,988.79
  5. Step 5: Solve for x
    x = 238,606,988.79/18,467.44
  6. Step 6: Final answer
    x = 12,920.42

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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.