Home / 18,347.62-27,512.75-7,108.22

Finding the Fourth Proportional to 18,347.62, 27,512.75 and 7,108.22

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Solution

The fourth proportional to 18,347.62, 27,512.75 and 7,108.22 is: 10,658.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,347.62 : 27,512.75 = 7,108.22 : x
  2. Step 2: Convert to fraction form
    18,347.62/27,512.75 = 7,108.22/x
  3. Step 3: Cross multiply
    18,347.62x = 27,512.75 × 7,108.22
  4. Step 4: Simplify right side
    18,347.62x = 195,566,766.36
  5. Step 5: Solve for x
    x = 195,566,766.36/18,347.62
  6. Step 6: Final answer
    x = 10,658.97

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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.