Home / 13,822.25-20,733.30-3,961.58

Finding the Fourth Proportional to 13,822.25, 20,733.30 and 3,961.58

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Solution

The fourth proportional to 13,822.25, 20,733.30 and 3,961.58 is: 5,942.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,822.25 : 20,733.30 = 3,961.58 : x
  2. Step 2: Convert to fraction form
    13,822.25/20,733.30 = 3,961.58/x
  3. Step 3: Cross multiply
    13,822.25x = 20,733.30 × 3,961.58
  4. Step 4: Simplify right side
    13,822.25x = 82,136,522.95
  5. Step 5: Solve for x
    x = 82,136,522.95/13,822.25
  6. Step 6: Final answer
    x = 5,942.34

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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.