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Finding the Fourth Proportional to 18,593.68, 25,658.31 and 11,040.34

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Solution

The fourth proportional to 18,593.68, 25,658.31 and 11,040.34 is: 15,235.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,593.68 : 25,658.31 = 11,040.34 : x
  2. Step 2: Convert to fraction form
    18,593.68/25,658.31 = 11,040.34/x
  3. Step 3: Cross multiply
    18,593.68x = 25,658.31 × 11,040.34
  4. Step 4: Simplify right side
    18,593.68x = 283,276,466.23
  5. Step 5: Solve for x
    x = 283,276,466.23/18,593.68
  6. Step 6: Final answer
    x = 15,235.09

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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.