Home / 23,143.72-34,708.39-8,350.71

Finding the Fourth Proportional to 23,143.72, 34,708.39 and 8,350.71

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Solution

The fourth proportional to 23,143.72, 34,708.39 and 8,350.71 is: 12,523.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,143.72 : 34,708.39 = 8,350.71 : x
  2. Step 2: Convert to fraction form
    23,143.72/34,708.39 = 8,350.71/x
  3. Step 3: Cross multiply
    23,143.72x = 34,708.39 × 8,350.71
  4. Step 4: Simplify right side
    23,143.72x = 289,839,765.35
  5. Step 5: Solve for x
    x = 289,839,765.35/23,143.72
  6. Step 6: Final answer
    x = 12,523.47

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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.