Home / 16,811.73-25,217.55-5,124.95

Finding the Fourth Proportional to 16,811.73, 25,217.55 and 5,124.95

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Solution

The fourth proportional to 16,811.73, 25,217.55 and 5,124.95 is: 7,687.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,811.73 : 25,217.55 = 5,124.95 : x
  2. Step 2: Convert to fraction form
    16,811.73/25,217.55 = 5,124.95/x
  3. Step 3: Cross multiply
    16,811.73x = 25,217.55 × 5,124.95
  4. Step 4: Simplify right side
    16,811.73x = 129,238,556.78
  5. Step 5: Solve for x
    x = 129,238,556.78/16,811.73
  6. Step 6: Final answer
    x = 7,687.40

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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.