Home / 18,212.76-27,319.82-6,525.96

Finding the Fourth Proportional to 18,212.76, 27,319.82 and 6,525.96

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Solution

The fourth proportional to 18,212.76, 27,319.82 and 6,525.96 is: 9,789.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,212.76 : 27,319.82 = 6,525.96 : x
  2. Step 2: Convert to fraction form
    18,212.76/27,319.82 = 6,525.96/x
  3. Step 3: Cross multiply
    18,212.76x = 27,319.82 × 6,525.96
  4. Step 4: Simplify right side
    18,212.76x = 178,288,019.90
  5. Step 5: Solve for x
    x = 178,288,019.90/18,212.76
  6. Step 6: Final answer
    x = 9,789.18

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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.