Home / 18,794.26-28,194.66-6,315.50

Finding the Fourth Proportional to 18,794.26, 28,194.66 and 6,315.50

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Solution

The fourth proportional to 18,794.26, 28,194.66 and 6,315.50 is: 9,474.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,794.26 : 28,194.66 = 6,315.50 : x
  2. Step 2: Convert to fraction form
    18,794.26/28,194.66 = 6,315.50/x
  3. Step 3: Cross multiply
    18,794.26x = 28,194.66 × 6,315.50
  4. Step 4: Simplify right side
    18,794.26x = 178,063,375.23
  5. Step 5: Solve for x
    x = 178,063,375.23/18,794.26
  6. Step 6: Final answer
    x = 9,474.35

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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.