Home / 13,940.75-19,236.96-8,274.53

Finding the Fourth Proportional to 13,940.75, 19,236.96 and 8,274.53

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Solution

The fourth proportional to 13,940.75, 19,236.96 and 8,274.53 is: 11,418.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,940.75 : 19,236.96 = 8,274.53 : x
  2. Step 2: Convert to fraction form
    13,940.75/19,236.96 = 8,274.53/x
  3. Step 3: Cross multiply
    13,940.75x = 19,236.96 × 8,274.53
  4. Step 4: Simplify right side
    13,940.75x = 159,176,706.44
  5. Step 5: Solve for x
    x = 159,176,706.44/13,940.75
  6. Step 6: Final answer
    x = 11,418.09

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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.