Home / 13,161.18-19,747.26-5,770.95

Finding the Fourth Proportional to 13,161.18, 19,747.26 and 5,770.95

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Solution

The fourth proportional to 13,161.18, 19,747.26 and 5,770.95 is: 8,658.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,161.18 : 19,747.26 = 5,770.95 : x
  2. Step 2: Convert to fraction form
    13,161.18/19,747.26 = 5,770.95/x
  3. Step 3: Cross multiply
    13,161.18x = 19,747.26 × 5,770.95
  4. Step 4: Simplify right side
    13,161.18x = 113,960,376.04
  5. Step 5: Solve for x
    x = 113,960,376.04/13,161.18
  6. Step 6: Final answer
    x = 8,658.82

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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.