Home / 26,910.94-40,376.66-12,116.46

Finding the Fourth Proportional to 26,910.94, 40,376.66 and 12,116.46

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Solution

The fourth proportional to 26,910.94, 40,376.66 and 12,116.46 is: 18,179.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,910.94 : 40,376.66 = 12,116.46 : x
  2. Step 2: Convert to fraction form
    26,910.94/40,376.66 = 12,116.46/x
  3. Step 3: Cross multiply
    26,910.94x = 40,376.66 × 12,116.46
  4. Step 4: Simplify right side
    26,910.94x = 489,221,983.94
  5. Step 5: Solve for x
    x = 489,221,983.94/26,910.94
  6. Step 6: Final answer
    x = 18,179.30

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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.