Home / 22,350.64-30,850.09-12,795.88

Finding the Fourth Proportional to 22,350.64, 30,850.09 and 12,795.88

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Solution

The fourth proportional to 22,350.64, 30,850.09 and 12,795.88 is: 17,661.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,350.64 : 30,850.09 = 12,795.88 : x
  2. Step 2: Convert to fraction form
    22,350.64/30,850.09 = 12,795.88/x
  3. Step 3: Cross multiply
    22,350.64x = 30,850.09 × 12,795.88
  4. Step 4: Simplify right side
    22,350.64x = 394,754,049.63
  5. Step 5: Solve for x
    x = 394,754,049.63/22,350.64
  6. Step 6: Final answer
    x = 17,661.87

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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.