Home / 22,368.38-33,540.61-11,811.70

Finding the Fourth Proportional to 22,368.38, 33,540.61 and 11,811.70

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Solution

The fourth proportional to 22,368.38, 33,540.61 and 11,811.70 is: 17,711.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,368.38 : 33,540.61 = 11,811.70 : x
  2. Step 2: Convert to fraction form
    22,368.38/33,540.61 = 11,811.70/x
  3. Step 3: Cross multiply
    22,368.38x = 33,540.61 × 11,811.70
  4. Step 4: Simplify right side
    22,368.38x = 396,171,530.13
  5. Step 5: Solve for x
    x = 396,171,530.13/22,368.38
  6. Step 6: Final answer
    x = 17,711.23

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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.