Home / 18,195.37-27,289.78-5,048.80

Finding the Fourth Proportional to 18,195.37, 27,289.78 and 5,048.80

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Solution

The fourth proportional to 18,195.37, 27,289.78 and 5,048.80 is: 7,572.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,195.37 : 27,289.78 = 5,048.80 : x
  2. Step 2: Convert to fraction form
    18,195.37/27,289.78 = 5,048.80/x
  3. Step 3: Cross multiply
    18,195.37x = 27,289.78 × 5,048.80
  4. Step 4: Simplify right side
    18,195.37x = 137,780,560.42
  5. Step 5: Solve for x
    x = 137,780,560.42/18,195.37
  6. Step 6: Final answer
    x = 7,572.29

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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.