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Finding the Fourth Proportional to 14,696.92, 20,270.64 and 10,218.43

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Solution

The fourth proportional to 14,696.92, 20,270.64 and 10,218.43 is: 14,093.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,696.92 : 20,270.64 = 10,218.43 : x
  2. Step 2: Convert to fraction form
    14,696.92/20,270.64 = 10,218.43/x
  3. Step 3: Cross multiply
    14,696.92x = 20,270.64 × 10,218.43
  4. Step 4: Simplify right side
    14,696.92x = 207,134,122.07
  5. Step 5: Solve for x
    x = 207,134,122.07/14,696.92
  6. Step 6: Final answer
    x = 14,093.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.