Home / 19,694.88-27,183.60-11,316.24

Finding the Fourth Proportional to 19,694.88, 27,183.60 and 11,316.24

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Solution

The fourth proportional to 19,694.88, 27,183.60 and 11,316.24 is: 15,619.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,694.88 : 27,183.60 = 11,316.24 : x
  2. Step 2: Convert to fraction form
    19,694.88/27,183.60 = 11,316.24/x
  3. Step 3: Cross multiply
    19,694.88x = 27,183.60 × 11,316.24
  4. Step 4: Simplify right side
    19,694.88x = 307,616,141.66
  5. Step 5: Solve for x
    x = 307,616,141.66/19,694.88
  6. Step 6: Final answer
    x = 15,619.09

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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.