Home / 13,949.57-19,244.83-8,912.48

Finding the Fourth Proportional to 13,949.57, 19,244.83 and 8,912.48

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Solution

The fourth proportional to 13,949.57, 19,244.83 and 8,912.48 is: 12,295.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,949.57 : 19,244.83 = 8,912.48 : x
  2. Step 2: Convert to fraction form
    13,949.57/19,244.83 = 8,912.48/x
  3. Step 3: Cross multiply
    13,949.57x = 19,244.83 × 8,912.48
  4. Step 4: Simplify right side
    13,949.57x = 171,519,162.48
  5. Step 5: Solve for x
    x = 171,519,162.48/13,949.57
  6. Step 6: Final answer
    x = 12,295.66

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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.