Home / 27,150.48-37,469.52-15,213.60

Finding the Fourth Proportional to 27,150.48, 37,469.52 and 15,213.60

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Solution

The fourth proportional to 27,150.48, 37,469.52 and 15,213.60 is: 20,995.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,150.48 : 37,469.52 = 15,213.60 : x
  2. Step 2: Convert to fraction form
    27,150.48/37,469.52 = 15,213.60/x
  3. Step 3: Cross multiply
    27,150.48x = 37,469.52 × 15,213.60
  4. Step 4: Simplify right side
    27,150.48x = 570,046,289.47
  5. Step 5: Solve for x
    x = 570,046,289.47/27,150.48
  6. Step 6: Final answer
    x = 20,995.81

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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.