Home / 18,525.75-27,793.83-7,440.22

Finding the Fourth Proportional to 18,525.75, 27,793.83 and 7,440.22

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Solution

The fourth proportional to 18,525.75, 27,793.83 and 7,440.22 is: 11,162.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,525.75 : 27,793.83 = 7,440.22 : x
  2. Step 2: Convert to fraction form
    18,525.75/27,793.83 = 7,440.22/x
  3. Step 3: Cross multiply
    18,525.75x = 27,793.83 × 7,440.22
  4. Step 4: Simplify right side
    18,525.75x = 206,792,209.84
  5. Step 5: Solve for x
    x = 206,792,209.84/18,525.75
  6. Step 6: Final answer
    x = 11,162.42

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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.