Home / 22,349.16-30,845.58-12,789.44

Finding the Fourth Proportional to 22,349.16, 30,845.58 and 12,789.44

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Solution

The fourth proportional to 22,349.16, 30,845.58 and 12,789.44 is: 17,651.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,349.16 : 30,845.58 = 12,789.44 : x
  2. Step 2: Convert to fraction form
    22,349.16/30,845.58 = 12,789.44/x
  3. Step 3: Cross multiply
    22,349.16x = 30,845.58 × 12,789.44
  4. Step 4: Simplify right side
    22,349.16x = 394,497,694.68
  5. Step 5: Solve for x
    x = 394,497,694.68/22,349.16
  6. Step 6: Final answer
    x = 17,651.57

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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.