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Finding the Fourth Proportional to 18,846.66, 26,011.59 and 10,893.48

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Solution

The fourth proportional to 18,846.66, 26,011.59 and 10,893.48 is: 15,034.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,846.66 : 26,011.59 = 10,893.48 : x
  2. Step 2: Convert to fraction form
    18,846.66/26,011.59 = 10,893.48/x
  3. Step 3: Cross multiply
    18,846.66x = 26,011.59 × 10,893.48
  4. Step 4: Simplify right side
    18,846.66x = 283,356,735.43
  5. Step 5: Solve for x
    x = 283,356,735.43/18,846.66
  6. Step 6: Final answer
    x = 15,034.85

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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.