Home / 20,057.42-27,662.46-15,033.44

Finding the Fourth Proportional to 20,057.42, 27,662.46 and 15,033.44

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Solution

The fourth proportional to 20,057.42, 27,662.46 and 15,033.44 is: 20,733.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,057.42 : 27,662.46 = 15,033.44 : x
  2. Step 2: Convert to fraction form
    20,057.42/27,662.46 = 15,033.44/x
  3. Step 3: Cross multiply
    20,057.42x = 27,662.46 × 15,033.44
  4. Step 4: Simplify right side
    20,057.42x = 415,861,932.66
  5. Step 5: Solve for x
    x = 415,861,932.66/20,057.42
  6. Step 6: Final answer
    x = 20,733.57

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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.