Home / 20,034.16-27,675.42-18,238.64

Finding the Fourth Proportional to 20,034.16, 27,675.42 and 18,238.64

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Solution

The fourth proportional to 20,034.16, 27,675.42 and 18,238.64 is: 25,195.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,034.16 : 27,675.42 = 18,238.64 : x
  2. Step 2: Convert to fraction form
    20,034.16/27,675.42 = 18,238.64/x
  3. Step 3: Cross multiply
    20,034.16x = 27,675.42 × 18,238.64
  4. Step 4: Simplify right side
    20,034.16x = 504,762,022.23
  5. Step 5: Solve for x
    x = 504,762,022.23/20,034.16
  6. Step 6: Final answer
    x = 25,195.07

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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.