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Finding the Fourth Proportional to 18,851.92, 26,020.30 and 10,898.73

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Solution

The fourth proportional to 18,851.92, 26,020.30 and 10,898.73 is: 15,042.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,851.92 : 26,020.30 = 10,898.73 : x
  2. Step 2: Convert to fraction form
    18,851.92/26,020.30 = 10,898.73/x
  3. Step 3: Cross multiply
    18,851.92x = 26,020.30 × 10,898.73
  4. Step 4: Simplify right side
    18,851.92x = 283,588,224.22
  5. Step 5: Solve for x
    x = 283,588,224.22/18,851.92
  6. Step 6: Final answer
    x = 15,042.94

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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.