Home / 19,198.79-26,470.42-16,016.70

Finding the Fourth Proportional to 19,198.79, 26,470.42 and 16,016.70

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Solution

The fourth proportional to 19,198.79, 26,470.42 and 16,016.70 is: 22,083.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,198.79 : 26,470.42 = 16,016.70 : x
  2. Step 2: Convert to fraction form
    19,198.79/26,470.42 = 16,016.70/x
  3. Step 3: Cross multiply
    19,198.79x = 26,470.42 × 16,016.70
  4. Step 4: Simplify right side
    19,198.79x = 423,968,735.97
  5. Step 5: Solve for x
    x = 423,968,735.97/19,198.79
  6. Step 6: Final answer
    x = 22,083.10

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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.