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Finding the Fourth Proportional to 18,908.31, 26,094.98 and 10,950.67

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Solution

The fourth proportional to 18,908.31, 26,094.98 and 10,950.67 is: 15,112.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,908.31 : 26,094.98 = 10,950.67 : x
  2. Step 2: Convert to fraction form
    18,908.31/26,094.98 = 10,950.67/x
  3. Step 3: Cross multiply
    18,908.31x = 26,094.98 × 10,950.67
  4. Step 4: Simplify right side
    18,908.31x = 285,757,514.64
  5. Step 5: Solve for x
    x = 285,757,514.64/18,908.31
  6. Step 6: Final answer
    x = 15,112.80

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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.