Home / 14,255.49-21,377.76-5,939.43

Finding the Fourth Proportional to 14,255.49, 21,377.76 and 5,939.43

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Solution

The fourth proportional to 14,255.49, 21,377.76 and 5,939.43 is: 8,906.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,255.49 : 21,377.76 = 5,939.43 : x
  2. Step 2: Convert to fraction form
    14,255.49/21,377.76 = 5,939.43/x
  3. Step 3: Cross multiply
    14,255.49x = 21,377.76 × 5,939.43
  4. Step 4: Simplify right side
    14,255.49x = 126,971,709.08
  5. Step 5: Solve for x
    x = 126,971,709.08/14,255.49
  6. Step 6: Final answer
    x = 8,906.86

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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.