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Finding the Fourth Proportional to 18,873.96, 26,044.11 and 10,918.68

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Solution

The fourth proportional to 18,873.96, 26,044.11 and 10,918.68 is: 15,066.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,873.96 : 26,044.11 = 10,918.68 : x
  2. Step 2: Convert to fraction form
    18,873.96/26,044.11 = 10,918.68/x
  3. Step 3: Cross multiply
    18,873.96x = 26,044.11 × 10,918.68
  4. Step 4: Simplify right side
    18,873.96x = 284,367,302.97
  5. Step 5: Solve for x
    x = 284,367,302.97/18,873.96
  6. Step 6: Final answer
    x = 15,066.65

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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.