Home / 16,431.33-24,639.57-7,668.75

Finding the Fourth Proportional to 16,431.33, 24,639.57 and 7,668.75

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Solution

The fourth proportional to 16,431.33, 24,639.57 and 7,668.75 is: 11,499.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,431.33 : 24,639.57 = 7,668.75 : x
  2. Step 2: Convert to fraction form
    16,431.33/24,639.57 = 7,668.75/x
  3. Step 3: Cross multiply
    16,431.33x = 24,639.57 × 7,668.75
  4. Step 4: Simplify right side
    16,431.33x = 188,954,702.44
  5. Step 5: Solve for x
    x = 188,954,702.44/16,431.33
  6. Step 6: Final answer
    x = 11,499.66

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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.