Home / 26,930.96-40,377.70-11,929.94

Finding the Fourth Proportional to 26,930.96, 40,377.70 and 11,929.94

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Solution

The fourth proportional to 26,930.96, 40,377.70 and 11,929.94 is: 17,886.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,930.96 : 40,377.70 = 11,929.94 : x
  2. Step 2: Convert to fraction form
    26,930.96/40,377.70 = 11,929.94/x
  3. Step 3: Cross multiply
    26,930.96x = 40,377.70 × 11,929.94
  4. Step 4: Simplify right side
    26,930.96x = 481,703,502.78
  5. Step 5: Solve for x
    x = 481,703,502.78/26,930.96
  6. Step 6: Final answer
    x = 17,886.61

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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.