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Finding the Fourth Proportional to 14,599.25, 20,151.94 and 9,078.27

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Solution

The fourth proportional to 14,599.25, 20,151.94 and 9,078.27 is: 12,531.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,599.25 : 20,151.94 = 9,078.27 : x
  2. Step 2: Convert to fraction form
    14,599.25/20,151.94 = 9,078.27/x
  3. Step 3: Cross multiply
    14,599.25x = 20,151.94 × 9,078.27
  4. Step 4: Simplify right side
    14,599.25x = 182,944,755.92
  5. Step 5: Solve for x
    x = 182,944,755.92/14,599.25
  6. Step 6: Final answer
    x = 12,531.11

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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.