Home / 14,771.28-22,161.24-5,538

Finding the Fourth Proportional to 14,771.28, 22,161.24 and 5,538

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Solution

The fourth proportional to 14,771.28, 22,161.24 and 5,538 is: 8,308.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,771.28 : 22,161.24 = 5,538 : x
  2. Step 2: Convert to fraction form
    14,771.28/22,161.24 = 5,538/x
  3. Step 3: Cross multiply
    14,771.28x = 22,161.24 × 5,538
  4. Step 4: Simplify right side
    14,771.28x = 122,728,947.12
  5. Step 5: Solve for x
    x = 122,728,947.12/14,771.28
  6. Step 6: Final answer
    x = 8,308.62

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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.