Home / 22,192.79-30,626.23-12,121.05

Finding the Fourth Proportional to 22,192.79, 30,626.23 and 12,121.05

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Solution

The fourth proportional to 22,192.79, 30,626.23 and 12,121.05 is: 16,727.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,192.79 : 30,626.23 = 12,121.05 : x
  2. Step 2: Convert to fraction form
    22,192.79/30,626.23 = 12,121.05/x
  3. Step 3: Cross multiply
    22,192.79x = 30,626.23 × 12,121.05
  4. Step 4: Simplify right side
    22,192.79x = 371,222,034.84
  5. Step 5: Solve for x
    x = 371,222,034.84/22,192.79
  6. Step 6: Final answer
    x = 16,727.14

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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.