Home / 29,278.67-43,926.30-11,760.80

Finding the Fourth Proportional to 29,278.67, 43,926.30 and 11,760.80

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Solution

The fourth proportional to 29,278.67, 43,926.30 and 11,760.80 is: 17,644.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,278.67 : 43,926.30 = 11,760.80 : x
  2. Step 2: Convert to fraction form
    29,278.67/43,926.30 = 11,760.80/x
  3. Step 3: Cross multiply
    29,278.67x = 43,926.30 × 11,760.80
  4. Step 4: Simplify right side
    29,278.67x = 516,608,209.41
  5. Step 5: Solve for x
    x = 516,608,209.41/29,278.67
  6. Step 6: Final answer
    x = 17,644.53

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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.