Home / 19,367.30-28,982.81-11,868.53

Finding the Fourth Proportional to 19,367.30, 28,982.81 and 11,868.53

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Solution

The fourth proportional to 19,367.30, 28,982.81 and 11,868.53 is: 17,761.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,367.30 : 28,982.81 = 11,868.53 : x
  2. Step 2: Convert to fraction form
    19,367.30/28,982.81 = 11,868.53/x
  3. Step 3: Cross multiply
    19,367.30x = 28,982.81 × 11,868.53
  4. Step 4: Simplify right side
    19,367.30x = 343,983,234.73
  5. Step 5: Solve for x
    x = 343,983,234.73/19,367.30
  6. Step 6: Final answer
    x = 17,761.03

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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.