Home / 18,882.26-28,328.66-7,196.39

Finding the Fourth Proportional to 18,882.26, 28,328.66 and 7,196.39

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Solution

The fourth proportional to 18,882.26, 28,328.66 and 7,196.39 is: 10,796.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,882.26 : 28,328.66 = 7,196.39 : x
  2. Step 2: Convert to fraction form
    18,882.26/28,328.66 = 7,196.39/x
  3. Step 3: Cross multiply
    18,882.26x = 28,328.66 × 7,196.39
  4. Step 4: Simplify right side
    18,882.26x = 203,864,085.54
  5. Step 5: Solve for x
    x = 203,864,085.54/18,882.26
  6. Step 6: Final answer
    x = 10,796.59

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1.5x scale

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.