Home / 22,179.87-30,616.53-13,794.75

Finding the Fourth Proportional to 22,179.87, 30,616.53 and 13,794.75

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Solution

The fourth proportional to 22,179.87, 30,616.53 and 13,794.75 is: 19,041.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,179.87 : 30,616.53 = 13,794.75 : x
  2. Step 2: Convert to fraction form
    22,179.87/30,616.53 = 13,794.75/x
  3. Step 3: Cross multiply
    22,179.87x = 30,616.53 × 13,794.75
  4. Step 4: Simplify right side
    22,179.87x = 422,347,377.22
  5. Step 5: Solve for x
    x = 422,347,377.22/22,179.87
  6. Step 6: Final answer
    x = 19,041.92

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.