Home / 21,825.45-32,739.30-6,242.67

Finding the Fourth Proportional to 21,825.45, 32,739.30 and 6,242.67

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Solution

The fourth proportional to 21,825.45, 32,739.30 and 6,242.67 is: 9,364.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,825.45 : 32,739.30 = 6,242.67 : x
  2. Step 2: Convert to fraction form
    21,825.45/32,739.30 = 6,242.67/x
  3. Step 3: Cross multiply
    21,825.45x = 32,739.30 × 6,242.67
  4. Step 4: Simplify right side
    21,825.45x = 204,380,645.93
  5. Step 5: Solve for x
    x = 204,380,645.93/21,825.45
  6. Step 6: Final answer
    x = 9,364.33

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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.