Home / 18,467.16-27,685.32-8,601.36

Finding the Fourth Proportional to 18,467.16, 27,685.32 and 8,601.36

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Solution

The fourth proportional to 18,467.16, 27,685.32 and 8,601.36 is: 12,894.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,467.16 : 27,685.32 = 8,601.36 : x
  2. Step 2: Convert to fraction form
    18,467.16/27,685.32 = 8,601.36/x
  3. Step 3: Cross multiply
    18,467.16x = 27,685.32 × 8,601.36
  4. Step 4: Simplify right side
    18,467.16x = 238,131,404.04
  5. Step 5: Solve for x
    x = 238,131,404.04/18,467.16
  6. Step 6: Final answer
    x = 12,894.86

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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.