Home / 22,621.97-31,217.26-12,550.23

Finding the Fourth Proportional to 22,621.97, 31,217.26 and 12,550.23

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Solution

The fourth proportional to 22,621.97, 31,217.26 and 12,550.23 is: 17,318.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,621.97 : 31,217.26 = 12,550.23 : x
  2. Step 2: Convert to fraction form
    22,621.97/31,217.26 = 12,550.23/x
  3. Step 3: Cross multiply
    22,621.97x = 31,217.26 × 12,550.23
  4. Step 4: Simplify right side
    22,621.97x = 391,783,792.97
  5. Step 5: Solve for x
    x = 391,783,792.97/22,621.97
  6. Step 6: Final answer
    x = 17,318.73

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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.