Home / 19,998.08-27,600.72-11,619.44

Finding the Fourth Proportional to 19,998.08, 27,600.72 and 11,619.44

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Solution

The fourth proportional to 19,998.08, 27,600.72 and 11,619.44 is: 16,036.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,998.08 : 27,600.72 = 11,619.44 : x
  2. Step 2: Convert to fraction form
    19,998.08/27,600.72 = 11,619.44/x
  3. Step 3: Cross multiply
    19,998.08x = 27,600.72 × 11,619.44
  4. Step 4: Simplify right side
    19,998.08x = 320,704,910.00
  5. Step 5: Solve for x
    x = 320,704,910.00/19,998.08
  6. Step 6: Final answer
    x = 16,036.79

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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.