Home / 22,456.79-33,698.32-12,469.95

Finding the Fourth Proportional to 22,456.79, 33,698.32 and 12,469.95

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Solution

The fourth proportional to 22,456.79, 33,698.32 and 12,469.95 is: 18,712.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,456.79 : 33,698.32 = 12,469.95 : x
  2. Step 2: Convert to fraction form
    22,456.79/33,698.32 = 12,469.95/x
  3. Step 3: Cross multiply
    22,456.79x = 33,698.32 × 12,469.95
  4. Step 4: Simplify right side
    22,456.79x = 420,216,334.31
  5. Step 5: Solve for x
    x = 420,216,334.31/22,456.79
  6. Step 6: Final answer
    x = 18,712.22

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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.