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Finding the Fourth Proportional to 18,272.91, 25,216.48 and 10,314.87

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Solution

The fourth proportional to 18,272.91, 25,216.48 and 10,314.87 is: 14,234.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,272.91 : 25,216.48 = 10,314.87 : x
  2. Step 2: Convert to fraction form
    18,272.91/25,216.48 = 10,314.87/x
  3. Step 3: Cross multiply
    18,272.91x = 25,216.48 × 10,314.87
  4. Step 4: Simplify right side
    18,272.91x = 260,104,713.06
  5. Step 5: Solve for x
    x = 260,104,713.06/18,272.91
  6. Step 6: Final answer
    x = 14,234.44

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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.