Home / 18,879.74-26,054.14-10,382.41

Finding the Fourth Proportional to 18,879.74, 26,054.14 and 10,382.41

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Solution

The fourth proportional to 18,879.74, 26,054.14 and 10,382.41 is: 14,327.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,879.74 : 26,054.14 = 10,382.41 : x
  2. Step 2: Convert to fraction form
    18,879.74/26,054.14 = 10,382.41/x
  3. Step 3: Cross multiply
    18,879.74x = 26,054.14 × 10,382.41
  4. Step 4: Simplify right side
    18,879.74x = 270,504,763.68
  5. Step 5: Solve for x
    x = 270,504,763.68/18,879.74
  6. Step 6: Final answer
    x = 14,327.78

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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.