Home / 27,512.80-37,968.24-16,190.56

Finding the Fourth Proportional to 27,512.80, 37,968.24 and 16,190.56

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Solution

The fourth proportional to 27,512.80, 37,968.24 and 16,190.56 is: 22,343.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,512.80 : 37,968.24 = 16,190.56 : x
  2. Step 2: Convert to fraction form
    27,512.80/37,968.24 = 16,190.56/x
  3. Step 3: Cross multiply
    27,512.80x = 37,968.24 × 16,190.56
  4. Step 4: Simplify right side
    27,512.80x = 614,727,067.81
  5. Step 5: Solve for x
    x = 614,727,067.81/27,512.80
  6. Step 6: Final answer
    x = 22,343.31

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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.