Home / 18,225.20-27,342.56-5,745.63

Finding the Fourth Proportional to 18,225.20, 27,342.56 and 5,745.63

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Solution

The fourth proportional to 18,225.20, 27,342.56 and 5,745.63 is: 8,619.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,225.20 : 27,342.56 = 5,745.63 : x
  2. Step 2: Convert to fraction form
    18,225.20/27,342.56 = 5,745.63/x
  3. Step 3: Cross multiply
    18,225.20x = 27,342.56 × 5,745.63
  4. Step 4: Simplify right side
    18,225.20x = 157,100,349.91
  5. Step 5: Solve for x
    x = 157,100,349.91/18,225.20
  6. Step 6: Final answer
    x = 8,619.95

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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.