Home / 18,224.70-27,336.24-5,076.78

Finding the Fourth Proportional to 18,224.70, 27,336.24 and 5,076.78

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Solution

The fourth proportional to 18,224.70, 27,336.24 and 5,076.78 is: 7,614.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,224.70 : 27,336.24 = 5,076.78 : x
  2. Step 2: Convert to fraction form
    18,224.70/27,336.24 = 5,076.78/x
  3. Step 3: Cross multiply
    18,224.70x = 27,336.24 × 5,076.78
  4. Step 4: Simplify right side
    18,224.70x = 138,780,076.51
  5. Step 5: Solve for x
    x = 138,780,076.51/18,224.70
  6. Step 6: Final answer
    x = 7,614.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.