Home / 23,057.24-31,806.42-20,067.80

Finding the Fourth Proportional to 23,057.24, 31,806.42 and 20,067.80

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Solution

The fourth proportional to 23,057.24, 31,806.42 and 20,067.80 is: 27,682.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,057.24 : 31,806.42 = 20,067.80 : x
  2. Step 2: Convert to fraction form
    23,057.24/31,806.42 = 20,067.80/x
  3. Step 3: Cross multiply
    23,057.24x = 31,806.42 × 20,067.80
  4. Step 4: Simplify right side
    23,057.24x = 638,284,875.28
  5. Step 5: Solve for x
    x = 638,284,875.28/23,057.24
  6. Step 6: Final answer
    x = 27,682.62

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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.