Home / 22,319.72-33,488.02-11,789.31

Finding the Fourth Proportional to 22,319.72, 33,488.02 and 11,789.31

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Solution

The fourth proportional to 22,319.72, 33,488.02 and 11,789.31 is: 17,688.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,319.72 : 33,488.02 = 11,789.31 : x
  2. Step 2: Convert to fraction form
    22,319.72/33,488.02 = 11,789.31/x
  3. Step 3: Cross multiply
    22,319.72x = 33,488.02 × 11,789.31
  4. Step 4: Simplify right side
    22,319.72x = 394,800,723.07
  5. Step 5: Solve for x
    x = 394,800,723.07/22,319.72
  6. Step 6: Final answer
    x = 17,688.43

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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.