Home / 16,909.20-25,363.62-5,222.52

Finding the Fourth Proportional to 16,909.20, 25,363.62 and 5,222.52

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Solution

The fourth proportional to 16,909.20, 25,363.62 and 5,222.52 is: 7,833.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,909.20 : 25,363.62 = 5,222.52 : x
  2. Step 2: Convert to fraction form
    16,909.20/25,363.62 = 5,222.52/x
  3. Step 3: Cross multiply
    16,909.20x = 25,363.62 × 5,222.52
  4. Step 4: Simplify right side
    16,909.20x = 132,462,012.72
  5. Step 5: Solve for x
    x = 132,462,012.72/16,909.20
  6. Step 6: Final answer
    x = 7,833.72

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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.