Home / 19,105.86-28,661.66-5,959.26

Finding the Fourth Proportional to 19,105.86, 28,661.66 and 5,959.26

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Solution

The fourth proportional to 19,105.86, 28,661.66 and 5,959.26 is: 8,939.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,105.86 : 28,661.66 = 5,959.26 : x
  2. Step 2: Convert to fraction form
    19,105.86/28,661.66 = 5,959.26/x
  3. Step 3: Cross multiply
    19,105.86x = 28,661.66 × 5,959.26
  4. Step 4: Simplify right side
    19,105.86x = 170,802,283.97
  5. Step 5: Solve for x
    x = 170,802,283.97/19,105.86
  6. Step 6: Final answer
    x = 8,939.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.