Home / 19,343.09-29,016.72-8,250.95

Finding the Fourth Proportional to 19,343.09, 29,016.72 and 8,250.95

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Solution

The fourth proportional to 19,343.09, 29,016.72 and 8,250.95 is: 12,377.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,343.09 : 29,016.72 = 8,250.95 : x
  2. Step 2: Convert to fraction form
    19,343.09/29,016.72 = 8,250.95/x
  3. Step 3: Cross multiply
    19,343.09x = 29,016.72 × 8,250.95
  4. Step 4: Simplify right side
    19,343.09x = 239,415,360.80
  5. Step 5: Solve for x
    x = 239,415,360.80/19,343.09
  6. Step 6: Final answer
    x = 12,377.31

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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.