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Finding the Fourth Proportional to 18,959.25, 26,163.78 and 10,575.75

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Solution

The fourth proportional to 18,959.25, 26,163.78 and 10,575.75 is: 14,594.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,959.25 : 26,163.78 = 10,575.75 : x
  2. Step 2: Convert to fraction form
    18,959.25/26,163.78 = 10,575.75/x
  3. Step 3: Cross multiply
    18,959.25x = 26,163.78 × 10,575.75
  4. Step 4: Simplify right side
    18,959.25x = 276,701,596.34
  5. Step 5: Solve for x
    x = 276,701,596.34/18,959.25
  6. Step 6: Final answer
    x = 14,594.54

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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.