Home / 23,143.45-34,706.79-8,348.39

Finding the Fourth Proportional to 23,143.45, 34,706.79 and 8,348.39

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Solution

The fourth proportional to 23,143.45, 34,706.79 and 8,348.39 is: 12,519.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,143.45 : 34,706.79 = 8,348.39 : x
  2. Step 2: Convert to fraction form
    23,143.45/34,706.79 = 8,348.39/x
  3. Step 3: Cross multiply
    23,143.45x = 34,706.79 × 8,348.39
  4. Step 4: Simplify right side
    23,143.45x = 289,745,818.57
  5. Step 5: Solve for x
    x = 289,745,818.57/23,143.45
  6. Step 6: Final answer
    x = 12,519.56

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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.