Home / 22,622.24-31,220.92-12,550.70

Finding the Fourth Proportional to 22,622.24, 31,220.92 and 12,550.70

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Solution

The fourth proportional to 22,622.24, 31,220.92 and 12,550.70 is: 17,321.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,622.24 : 31,220.92 = 12,550.70 : x
  2. Step 2: Convert to fraction form
    22,622.24/31,220.92 = 12,550.70/x
  3. Step 3: Cross multiply
    22,622.24x = 31,220.92 × 12,550.70
  4. Step 4: Simplify right side
    22,622.24x = 391,844,400.64
  5. Step 5: Solve for x
    x = 391,844,400.64/22,622.24
  6. Step 6: Final answer
    x = 17,321.20

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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.