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Finding the Fourth Proportional to 18,095.54, 24,974.49 and 10,138.31

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Solution

The fourth proportional to 18,095.54, 24,974.49 and 10,138.31 is: 13,992.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,095.54 : 24,974.49 = 10,138.31 : x
  2. Step 2: Convert to fraction form
    18,095.54/24,974.49 = 10,138.31/x
  3. Step 3: Cross multiply
    18,095.54x = 24,974.49 × 10,138.31
  4. Step 4: Simplify right side
    18,095.54x = 253,198,946.15
  5. Step 5: Solve for x
    x = 253,198,946.15/18,095.54
  6. Step 6: Final answer
    x = 13,992.34

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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.