Home / 21,725.82-32,559.57-11,850.30

Finding the Fourth Proportional to 21,725.82, 32,559.57 and 11,850.30

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Solution

The fourth proportional to 21,725.82, 32,559.57 and 11,850.30 is: 17,759.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,725.82 : 32,559.57 = 11,850.30 : x
  2. Step 2: Convert to fraction form
    21,725.82/32,559.57 = 11,850.30/x
  3. Step 3: Cross multiply
    21,725.82x = 32,559.57 × 11,850.30
  4. Step 4: Simplify right side
    21,725.82x = 385,840,672.37
  5. Step 5: Solve for x
    x = 385,840,672.37/21,725.82
  6. Step 6: Final answer
    x = 17,759.54

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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.