Home / 22,192.36-30,625.62-12,120.62

Finding the Fourth Proportional to 22,192.36, 30,625.62 and 12,120.62

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Solution

The fourth proportional to 22,192.36, 30,625.62 and 12,120.62 is: 16,726.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,192.36 : 30,625.62 = 12,120.62 : x
  2. Step 2: Convert to fraction form
    22,192.36/30,625.62 = 12,120.62/x
  3. Step 3: Cross multiply
    22,192.36x = 30,625.62 × 12,120.62
  4. Step 4: Simplify right side
    22,192.36x = 371,201,502.28
  5. Step 5: Solve for x
    x = 371,201,502.28/22,192.36
  6. Step 6: Final answer
    x = 16,726.54

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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.