Home / 19,949.22-27,539.78-13,608.77

Finding the Fourth Proportional to 19,949.22, 27,539.78 and 13,608.77

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Solution

The fourth proportional to 19,949.22, 27,539.78 and 13,608.77 is: 18,786.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,949.22 : 27,539.78 = 13,608.77 : x
  2. Step 2: Convert to fraction form
    19,949.22/27,539.78 = 13,608.77/x
  3. Step 3: Cross multiply
    19,949.22x = 27,539.78 × 13,608.77
  4. Step 4: Simplify right side
    19,949.22x = 374,782,326.13
  5. Step 5: Solve for x
    x = 374,782,326.13/19,949.22
  6. Step 6: Final answer
    x = 18,786.82

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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.