Home / 22,192.85-30,625.43-12,121.13

Finding the Fourth Proportional to 22,192.85, 30,625.43 and 12,121.13

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Solution

The fourth proportional to 22,192.85, 30,625.43 and 12,121.13 is: 16,726.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,192.85 : 30,625.43 = 12,121.13 : x
  2. Step 2: Convert to fraction form
    22,192.85/30,625.43 = 12,121.13/x
  3. Step 3: Cross multiply
    22,192.85x = 30,625.43 × 12,121.13
  4. Step 4: Simplify right side
    22,192.85x = 371,214,695.51
  5. Step 5: Solve for x
    x = 371,214,695.51/22,192.85
  6. Step 6: Final answer
    x = 16,726.77

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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.