Home / 27,151.44-37,515.60-19,582.80

Finding the Fourth Proportional to 27,151.44, 37,515.60 and 19,582.80

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Solution

The fourth proportional to 27,151.44, 37,515.60 and 19,582.80 is: 27,057.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,151.44 : 37,515.60 = 19,582.80 : x
  2. Step 2: Convert to fraction form
    27,151.44/37,515.60 = 19,582.80/x
  3. Step 3: Cross multiply
    27,151.44x = 37,515.60 × 19,582.80
  4. Step 4: Simplify right side
    27,151.44x = 734,660,491.68
  5. Step 5: Solve for x
    x = 734,660,491.68/27,151.44
  6. Step 6: Final answer
    x = 27,057.88

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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.