Home / 18,070.20-27,113.82-6,388.92

Finding the Fourth Proportional to 18,070.20, 27,113.82 and 6,388.92

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Solution

The fourth proportional to 18,070.20, 27,113.82 and 6,388.92 is: 9,586.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,070.20 : 27,113.82 = 6,388.92 : x
  2. Step 2: Convert to fraction form
    18,070.20/27,113.82 = 6,388.92/x
  3. Step 3: Cross multiply
    18,070.20x = 27,113.82 × 6,388.92
  4. Step 4: Simplify right side
    18,070.20x = 173,228,026.87
  5. Step 5: Solve for x
    x = 173,228,026.87/18,070.20
  6. Step 6: Final answer
    x = 9,586.39

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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.