Home / 22,109.36-33,164.40-12,310.92

Finding the Fourth Proportional to 22,109.36, 33,164.40 and 12,310.92

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Solution

The fourth proportional to 22,109.36, 33,164.40 and 12,310.92 is: 18,466.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,109.36 : 33,164.40 = 12,310.92 : x
  2. Step 2: Convert to fraction form
    22,109.36/33,164.40 = 12,310.92/x
  3. Step 3: Cross multiply
    22,109.36x = 33,164.40 × 12,310.92
  4. Step 4: Simplify right side
    22,109.36x = 408,284,321.41
  5. Step 5: Solve for x
    x = 408,284,321.41/22,109.36
  6. Step 6: Final answer
    x = 18,466.59

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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.