Home / 22,399.60-33,566.58-19,939.36

Finding the Fourth Proportional to 22,399.60, 33,566.58 and 19,939.36

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Solution

The fourth proportional to 22,399.60, 33,566.58 and 19,939.36 is: 29,879.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,399.60 : 33,566.58 = 19,939.36 : x
  2. Step 2: Convert to fraction form
    22,399.60/33,566.58 = 19,939.36/x
  3. Step 3: Cross multiply
    22,399.60x = 33,566.58 × 19,939.36
  4. Step 4: Simplify right side
    22,399.60x = 669,296,122.59
  5. Step 5: Solve for x
    x = 669,296,122.59/22,399.60
  6. Step 6: Final answer
    x = 29,879.82

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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.