Home / 22,193.25-30,626.93-12,121.98

Finding the Fourth Proportional to 22,193.25, 30,626.93 and 12,121.98

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Solution

The fourth proportional to 22,193.25, 30,626.93 and 12,121.98 is: 16,728.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,193.25 : 30,626.93 = 12,121.98 : x
  2. Step 2: Convert to fraction form
    22,193.25/30,626.93 = 12,121.98/x
  3. Step 3: Cross multiply
    22,193.25x = 30,626.93 × 12,121.98
  4. Step 4: Simplify right side
    22,193.25x = 371,258,972.31
  5. Step 5: Solve for x
    x = 371,258,972.31/22,193.25
  6. Step 6: Final answer
    x = 16,728.46

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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.