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Finding the Fourth Proportional to 18,923.69, 26,114.69 and 10,540.19

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Solution

The fourth proportional to 18,923.69, 26,114.69 and 10,540.19 is: 14,545.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,923.69 : 26,114.69 = 10,540.19 : x
  2. Step 2: Convert to fraction form
    18,923.69/26,114.69 = 10,540.19/x
  3. Step 3: Cross multiply
    18,923.69x = 26,114.69 × 10,540.19
  4. Step 4: Simplify right side
    18,923.69x = 275,253,794.39
  5. Step 5: Solve for x
    x = 275,253,794.39/18,923.69
  6. Step 6: Final answer
    x = 14,545.46

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Double scale
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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.