Home / 23,908.56-32,974.18-21,221.75

Finding the Fourth Proportional to 23,908.56, 32,974.18 and 21,221.75

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Solution

The fourth proportional to 23,908.56, 32,974.18 and 21,221.75 is: 29,268.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,908.56 : 32,974.18 = 21,221.75 : x
  2. Step 2: Convert to fraction form
    23,908.56/32,974.18 = 21,221.75/x
  3. Step 3: Cross multiply
    23,908.56x = 32,974.18 × 21,221.75
  4. Step 4: Simplify right side
    23,908.56x = 699,769,639.54
  5. Step 5: Solve for x
    x = 699,769,639.54/23,908.56
  6. Step 6: Final answer
    x = 29,268.58

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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.