Home / 20,619.92-30,932.93-7,469.23

Finding the Fourth Proportional to 20,619.92, 30,932.93 and 7,469.23

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Solution

The fourth proportional to 20,619.92, 30,932.93 and 7,469.23 is: 11,204.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,619.92 : 30,932.93 = 7,469.23 : x
  2. Step 2: Convert to fraction form
    20,619.92/30,932.93 = 7,469.23/x
  3. Step 3: Cross multiply
    20,619.92x = 30,932.93 × 7,469.23
  4. Step 4: Simplify right side
    20,619.92x = 231,044,976.73
  5. Step 5: Solve for x
    x = 231,044,976.73/20,619.92
  6. Step 6: Final answer
    x = 11,204.94

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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.