Home / 18,467.78-27,694.35-6,774.62

Finding the Fourth Proportional to 18,467.78, 27,694.35 and 6,774.62

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Solution

The fourth proportional to 18,467.78, 27,694.35 and 6,774.62 is: 10,159.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,467.78 : 27,694.35 = 6,774.62 : x
  2. Step 2: Convert to fraction form
    18,467.78/27,694.35 = 6,774.62/x
  3. Step 3: Cross multiply
    18,467.78x = 27,694.35 × 6,774.62
  4. Step 4: Simplify right side
    18,467.78x = 187,618,558.93
  5. Step 5: Solve for x
    x = 187,618,558.93/18,467.78
  6. Step 6: Final answer
    x = 10,159.24

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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.