Home / 19,832.12-27,367.86-10,879.54

Finding the Fourth Proportional to 19,832.12, 27,367.86 and 10,879.54

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Solution

The fourth proportional to 19,832.12, 27,367.86 and 10,879.54 is: 15,013.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,832.12 : 27,367.86 = 10,879.54 : x
  2. Step 2: Convert to fraction form
    19,832.12/27,367.86 = 10,879.54/x
  3. Step 3: Cross multiply
    19,832.12x = 27,367.86 × 10,879.54
  4. Step 4: Simplify right side
    19,832.12x = 297,749,727.58
  5. Step 5: Solve for x
    x = 297,749,727.58/19,832.12
  6. Step 6: Final answer
    x = 15,013.51

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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.