Home / 21,675.24-32,567.58-20,800.44

Finding the Fourth Proportional to 21,675.24, 32,567.58 and 20,800.44

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Solution

The fourth proportional to 21,675.24, 32,567.58 and 20,800.44 is: 31,253.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,675.24 : 32,567.58 = 20,800.44 : x
  2. Step 2: Convert to fraction form
    21,675.24/32,567.58 = 20,800.44/x
  3. Step 3: Cross multiply
    21,675.24x = 32,567.58 × 20,800.44
  4. Step 4: Simplify right side
    21,675.24x = 677,419,993.74
  5. Step 5: Solve for x
    x = 677,419,993.74/21,675.24
  6. Step 6: Final answer
    x = 31,253.17

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.