Home / 22,193.18-30,626.82-12,121.91

Finding the Fourth Proportional to 22,193.18, 30,626.82 and 12,121.91

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Solution

The fourth proportional to 22,193.18, 30,626.82 and 12,121.91 is: 16,728.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,193.18 : 30,626.82 = 12,121.91 : x
  2. Step 2: Convert to fraction form
    22,193.18/30,626.82 = 12,121.91/x
  3. Step 3: Cross multiply
    22,193.18x = 30,626.82 × 12,121.91
  4. Step 4: Simplify right side
    22,193.18x = 371,255,555.63
  5. Step 5: Solve for x
    x = 371,255,555.63/22,193.18
  6. Step 6: Final answer
    x = 16,728.36

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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.