Home / 18,347.24-27,512.19-7,107.85

Finding the Fourth Proportional to 18,347.24, 27,512.19 and 7,107.85

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Solution

The fourth proportional to 18,347.24, 27,512.19 and 7,107.85 is: 10,658.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,347.24 : 27,512.19 = 7,107.85 : x
  2. Step 2: Convert to fraction form
    18,347.24/27,512.19 = 7,107.85/x
  3. Step 3: Cross multiply
    18,347.24x = 27,512.19 × 7,107.85
  4. Step 4: Simplify right side
    18,347.24x = 195,552,418.45
  5. Step 5: Solve for x
    x = 195,552,418.45/18,347.24
  6. Step 6: Final answer
    x = 10,658.41

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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.