Home / 21,922.26-32,868.94-7,875.24

Finding the Fourth Proportional to 21,922.26, 32,868.94 and 7,875.24

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Solution

The fourth proportional to 21,922.26, 32,868.94 and 7,875.24 is: 11,807.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,922.26 : 32,868.94 = 7,875.24 : x
  2. Step 2: Convert to fraction form
    21,922.26/32,868.94 = 7,875.24/x
  3. Step 3: Cross multiply
    21,922.26x = 32,868.94 × 7,875.24
  4. Step 4: Simplify right side
    21,922.26x = 258,850,791.05
  5. Step 5: Solve for x
    x = 258,850,791.05/21,922.26
  6. Step 6: Final answer
    x = 11,807.67

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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.