Home / 13,793.13-20,696.52-5,472.95

Finding the Fourth Proportional to 13,793.13, 20,696.52 and 5,472.95

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Solution

The fourth proportional to 13,793.13, 20,696.52 and 5,472.95 is: 8,212.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,793.13 : 20,696.52 = 5,472.95 : x
  2. Step 2: Convert to fraction form
    13,793.13/20,696.52 = 5,472.95/x
  3. Step 3: Cross multiply
    13,793.13x = 20,696.52 × 5,472.95
  4. Step 4: Simplify right side
    13,793.13x = 113,270,915.65
  5. Step 5: Solve for x
    x = 113,270,915.65/13,793.13
  6. Step 6: Final answer
    x = 8,212.13

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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.