Home / 22,190.25-33,290.25-8,339.25

Finding the Fourth Proportional to 22,190.25, 33,290.25 and 8,339.25

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Solution

The fourth proportional to 22,190.25, 33,290.25 and 8,339.25 is: 12,510.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,190.25 : 33,290.25 = 8,339.25 : x
  2. Step 2: Convert to fraction form
    22,190.25/33,290.25 = 8,339.25/x
  3. Step 3: Cross multiply
    22,190.25x = 33,290.25 × 8,339.25
  4. Step 4: Simplify right side
    22,190.25x = 277,615,717.31
  5. Step 5: Solve for x
    x = 277,615,717.31/22,190.25
  6. Step 6: Final answer
    x = 12,510.71

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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.