Home / 19,729.17-29,593.80-8,043.30

Finding the Fourth Proportional to 19,729.17, 29,593.80 and 8,043.30

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Solution

The fourth proportional to 19,729.17, 29,593.80 and 8,043.30 is: 12,064.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,729.17 : 29,593.80 = 8,043.30 : x
  2. Step 2: Convert to fraction form
    19,729.17/29,593.80 = 8,043.30/x
  3. Step 3: Cross multiply
    19,729.17x = 29,593.80 × 8,043.30
  4. Step 4: Simplify right side
    19,729.17x = 238,031,811.54
  5. Step 5: Solve for x
    x = 238,031,811.54/19,729.17
  6. Step 6: Final answer
    x = 12,064.97

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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.