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Finding the Fourth Proportional to 18,296.96, 25,250.29 and 11,124.41

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Solution

The fourth proportional to 18,296.96, 25,250.29 and 11,124.41 is: 15,351.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,296.96 : 25,250.29 = 11,124.41 : x
  2. Step 2: Convert to fraction form
    18,296.96/25,250.29 = 11,124.41/x
  3. Step 3: Cross multiply
    18,296.96x = 25,250.29 × 11,124.41
  4. Step 4: Simplify right side
    18,296.96x = 280,894,424.52
  5. Step 5: Solve for x
    x = 280,894,424.52/18,296.96
  6. Step 6: Final answer
    x = 15,351.98

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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.