Home / 13,949.44-19,244.66-8,912.36

Finding the Fourth Proportional to 13,949.44, 19,244.66 and 8,912.36

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Solution

The fourth proportional to 13,949.44, 19,244.66 and 8,912.36 is: 12,295.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,949.44 : 19,244.66 = 8,912.36 : x
  2. Step 2: Convert to fraction form
    13,949.44/19,244.66 = 8,912.36/x
  3. Step 3: Cross multiply
    13,949.44x = 19,244.66 × 8,912.36
  4. Step 4: Simplify right side
    13,949.44x = 171,515,241.77
  5. Step 5: Solve for x
    x = 171,515,241.77/13,949.44
  6. Step 6: Final answer
    x = 12,295.49

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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.