Home / 19,195.92-26,491.70-11,642.57

Finding the Fourth Proportional to 19,195.92, 26,491.70 and 11,642.57

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Solution

The fourth proportional to 19,195.92, 26,491.70 and 11,642.57 is: 16,067.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,195.92 : 26,491.70 = 11,642.57 : x
  2. Step 2: Convert to fraction form
    19,195.92/26,491.70 = 11,642.57/x
  3. Step 3: Cross multiply
    19,195.92x = 26,491.70 × 11,642.57
  4. Step 4: Simplify right side
    19,195.92x = 308,431,471.67
  5. Step 5: Solve for x
    x = 308,431,471.67/19,195.92
  6. Step 6: Final answer
    x = 16,067.55

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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.