Home / 16,629.72-24,961.44-8,315.68

Finding the Fourth Proportional to 16,629.72, 24,961.44 and 8,315.68

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Solution

The fourth proportional to 16,629.72, 24,961.44 and 8,315.68 is: 12,481.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,629.72 : 24,961.44 = 8,315.68 : x
  2. Step 2: Convert to fraction form
    16,629.72/24,961.44 = 8,315.68/x
  3. Step 3: Cross multiply
    16,629.72x = 24,961.44 × 8,315.68
  4. Step 4: Simplify right side
    16,629.72x = 207,571,347.38
  5. Step 5: Solve for x
    x = 207,571,347.38/16,629.72
  6. Step 6: Final answer
    x = 12,481.95

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1.5x scale

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.