Home / 19,540.33-26,954.89-11,581.09

Finding the Fourth Proportional to 19,540.33, 26,954.89 and 11,581.09

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Solution

The fourth proportional to 19,540.33, 26,954.89 and 11,581.09 is: 15,975.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,540.33 : 26,954.89 = 11,581.09 : x
  2. Step 2: Convert to fraction form
    19,540.33/26,954.89 = 11,581.09/x
  3. Step 3: Cross multiply
    19,540.33x = 26,954.89 × 11,581.09
  4. Step 4: Simplify right side
    19,540.33x = 312,167,007.03
  5. Step 5: Solve for x
    x = 312,167,007.03/19,540.33
  6. Step 6: Final answer
    x = 15,975.52

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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.