Home / 13,080.36-19,619.85-7,673.73

Finding the Fourth Proportional to 13,080.36, 19,619.85 and 7,673.73

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Solution

The fourth proportional to 13,080.36, 19,619.85 and 7,673.73 is: 11,510.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,080.36 : 19,619.85 = 7,673.73 : x
  2. Step 2: Convert to fraction form
    13,080.36/19,619.85 = 7,673.73/x
  3. Step 3: Cross multiply
    13,080.36x = 19,619.85 × 7,673.73
  4. Step 4: Simplify right side
    13,080.36x = 150,557,431.54
  5. Step 5: Solve for x
    x = 150,557,431.54/13,080.36
  6. Step 6: Final answer
    x = 11,510.19

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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.