Home / 19,579.48-27,007.39-11,616.07

Finding the Fourth Proportional to 19,579.48, 27,007.39 and 11,616.07

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Solution

The fourth proportional to 19,579.48, 27,007.39 and 11,616.07 is: 16,022.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,579.48 : 27,007.39 = 11,616.07 : x
  2. Step 2: Convert to fraction form
    19,579.48/27,007.39 = 11,616.07/x
  3. Step 3: Cross multiply
    19,579.48x = 27,007.39 × 11,616.07
  4. Step 4: Simplify right side
    19,579.48x = 313,719,539.64
  5. Step 5: Solve for x
    x = 313,719,539.64/19,579.48
  6. Step 6: Final answer
    x = 16,022.88

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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.