Home / 14,231.33-21,346.78-3,843.08

Finding the Fourth Proportional to 14,231.33, 21,346.78 and 3,843.08

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Solution

The fourth proportional to 14,231.33, 21,346.78 and 3,843.08 is: 5,764.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,231.33 : 21,346.78 = 3,843.08 : x
  2. Step 2: Convert to fraction form
    14,231.33/21,346.78 = 3,843.08/x
  3. Step 3: Cross multiply
    14,231.33x = 21,346.78 × 3,843.08
  4. Step 4: Simplify right side
    14,231.33x = 82,037,383.28
  5. Step 5: Solve for x
    x = 82,037,383.28/14,231.33
  6. Step 6: Final answer
    x = 5,764.56

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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.