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Finding the Fourth Proportional to 18,959.82, 26,165.07 and 10,576.86

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Solution

The fourth proportional to 18,959.82, 26,165.07 and 10,576.86 is: 14,596.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,959.82 : 26,165.07 = 10,576.86 : x
  2. Step 2: Convert to fraction form
    18,959.82/26,165.07 = 10,576.86/x
  3. Step 3: Cross multiply
    18,959.82x = 26,165.07 × 10,576.86
  4. Step 4: Simplify right side
    18,959.82x = 276,744,282.28
  5. Step 5: Solve for x
    x = 276,744,282.28/18,959.82
  6. Step 6: Final answer
    x = 14,596.36

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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.