Home / 18,150.95-27,227.43-5,672.70

Finding the Fourth Proportional to 18,150.95, 27,227.43 and 5,672.70

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Solution

The fourth proportional to 18,150.95, 27,227.43 and 5,672.70 is: 8,509.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,150.95 : 27,227.43 = 5,672.70 : x
  2. Step 2: Convert to fraction form
    18,150.95/27,227.43 = 5,672.70/x
  3. Step 3: Cross multiply
    18,150.95x = 27,227.43 × 5,672.70
  4. Step 4: Simplify right side
    18,150.95x = 154,453,042.16
  5. Step 5: Solve for x
    x = 154,453,042.16/18,150.95
  6. Step 6: Final answer
    x = 8,509.37

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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.