Home / 16,431.85-24,651.39-5,339.71

Finding the Fourth Proportional to 16,431.85, 24,651.39 and 5,339.71

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Solution

The fourth proportional to 16,431.85, 24,651.39 and 5,339.71 is: 8,010.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,431.85 : 24,651.39 = 5,339.71 : x
  2. Step 2: Convert to fraction form
    16,431.85/24,651.39 = 5,339.71/x
  3. Step 3: Cross multiply
    16,431.85x = 24,651.39 × 5,339.71
  4. Step 4: Simplify right side
    16,431.85x = 131,631,273.70
  5. Step 5: Solve for x
    x = 131,631,273.70/16,431.85
  6. Step 6: Final answer
    x = 8,010.74

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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.