Home / 22,242.70-30,694.66-12,171.03

Finding the Fourth Proportional to 22,242.70, 30,694.66 and 12,171.03

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Solution

The fourth proportional to 22,242.70, 30,694.66 and 12,171.03 is: 16,795.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,242.70 : 30,694.66 = 12,171.03 : x
  2. Step 2: Convert to fraction form
    22,242.70/30,694.66 = 12,171.03/x
  3. Step 3: Cross multiply
    22,242.70x = 30,694.66 × 12,171.03
  4. Step 4: Simplify right side
    22,242.70x = 373,585,627.70
  5. Step 5: Solve for x
    x = 373,585,627.70/22,242.70
  6. Step 6: Final answer
    x = 16,795.88

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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.