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Finding the Fourth Proportional to 18,855.73, 26,018.01 and 10,896.41

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Solution

The fourth proportional to 18,855.73, 26,018.01 and 10,896.41 is: 15,035.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,855.73 : 26,018.01 = 10,896.41 : x
  2. Step 2: Convert to fraction form
    18,855.73/26,018.01 = 10,896.41/x
  3. Step 3: Cross multiply
    18,855.73x = 26,018.01 × 10,896.41
  4. Step 4: Simplify right side
    18,855.73x = 283,502,904.34
  5. Step 5: Solve for x
    x = 283,502,904.34/18,855.73
  6. Step 6: Final answer
    x = 15,035.37

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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.