Home / 18,976.44-26,187.39-11,020.62

Finding the Fourth Proportional to 18,976.44, 26,187.39 and 11,020.62

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Solution

The fourth proportional to 18,976.44, 26,187.39 and 11,020.62 is: 15,208.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,976.44 : 26,187.39 = 11,020.62 : x
  2. Step 2: Convert to fraction form
    18,976.44/26,187.39 = 11,020.62/x
  3. Step 3: Cross multiply
    18,976.44x = 26,187.39 × 11,020.62
  4. Step 4: Simplify right side
    18,976.44x = 288,601,273.98
  5. Step 5: Solve for x
    x = 288,601,273.98/18,976.44
  6. Step 6: Final answer
    x = 15,208.40

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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.