Home / 22,190.59-30,623.07-12,119.05

Finding the Fourth Proportional to 22,190.59, 30,623.07 and 12,119.05

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Solution

The fourth proportional to 22,190.59, 30,623.07 and 12,119.05 is: 16,724.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,190.59 : 30,623.07 = 12,119.05 : x
  2. Step 2: Convert to fraction form
    22,190.59/30,623.07 = 12,119.05/x
  3. Step 3: Cross multiply
    22,190.59x = 30,623.07 × 12,119.05
  4. Step 4: Simplify right side
    22,190.59x = 371,122,516.48
  5. Step 5: Solve for x
    x = 371,122,516.48/22,190.59
  6. Step 6: Final answer
    x = 16,724.32

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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.