Home / 16,743.45-25,115.19-7,951.71

Finding the Fourth Proportional to 16,743.45, 25,115.19 and 7,951.71

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Solution

The fourth proportional to 16,743.45, 25,115.19 and 7,951.71 is: 11,927.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,743.45 : 25,115.19 = 7,951.71 : x
  2. Step 2: Convert to fraction form
    16,743.45/25,115.19 = 7,951.71/x
  3. Step 3: Cross multiply
    16,743.45x = 25,115.19 × 7,951.71
  4. Step 4: Simplify right side
    16,743.45x = 199,708,771.84
  5. Step 5: Solve for x
    x = 199,708,771.84/16,743.45
  6. Step 6: Final answer
    x = 11,927.57

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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.