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Finding the Fourth Proportional to 18,814.22, 28,214.02 and 10,044.34

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Solution

The fourth proportional to 18,814.22, 28,214.02 and 10,044.34 is: 15,062.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,814.22 : 28,214.02 = 10,044.34 : x
  2. Step 2: Convert to fraction form
    18,814.22/28,214.02 = 10,044.34/x
  3. Step 3: Cross multiply
    18,814.22x = 28,214.02 × 10,044.34
  4. Step 4: Simplify right side
    18,814.22x = 283,391,209.65
  5. Step 5: Solve for x
    x = 283,391,209.65/18,814.22
  6. Step 6: Final answer
    x = 15,062.61

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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.