Home / 19,067.91-26,313.71-11,116.79

Finding the Fourth Proportional to 19,067.91, 26,313.71 and 11,116.79

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Solution

The fourth proportional to 19,067.91, 26,313.71 and 11,116.79 is: 15,341.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,067.91 : 26,313.71 = 11,116.79 : x
  2. Step 2: Convert to fraction form
    19,067.91/26,313.71 = 11,116.79/x
  3. Step 3: Cross multiply
    19,067.91x = 26,313.71 × 11,116.79
  4. Step 4: Simplify right side
    19,067.91x = 292,524,110.26
  5. Step 5: Solve for x
    x = 292,524,110.26/19,067.91
  6. Step 6: Final answer
    x = 15,341.18

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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.