Home / 13,982.44-19,295.76-7,694.78

Finding the Fourth Proportional to 13,982.44, 19,295.76 and 7,694.78

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Solution

The fourth proportional to 13,982.44, 19,295.76 and 7,694.78 is: 10,618.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,982.44 : 19,295.76 = 7,694.78 : x
  2. Step 2: Convert to fraction form
    13,982.44/19,295.76 = 7,694.78/x
  3. Step 3: Cross multiply
    13,982.44x = 19,295.76 × 7,694.78
  4. Step 4: Simplify right side
    13,982.44x = 148,476,628.13
  5. Step 5: Solve for x
    x = 148,476,628.13/13,982.44
  6. Step 6: Final answer
    x = 10,618.79

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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.