Home / 19,198.29-26,488.49-11,543.79

Finding the Fourth Proportional to 19,198.29, 26,488.49 and 11,543.79

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Solution

The fourth proportional to 19,198.29, 26,488.49 and 11,543.79 is: 15,927.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,198.29 : 26,488.49 = 11,543.79 : x
  2. Step 2: Convert to fraction form
    19,198.29/26,488.49 = 11,543.79/x
  3. Step 3: Cross multiply
    19,198.29x = 26,488.49 × 11,543.79
  4. Step 4: Simplify right side
    19,198.29x = 305,777,508.26
  5. Step 5: Solve for x
    x = 305,777,508.26/19,198.29
  6. Step 6: Final answer
    x = 15,927.33

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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.