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Finding the Fourth Proportional to 14,458.10, 19,951.52 and 8,494.88

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Solution

The fourth proportional to 14,458.10, 19,951.52 and 8,494.88 is: 11,722.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,458.10 : 19,951.52 = 8,494.88 : x
  2. Step 2: Convert to fraction form
    14,458.10/19,951.52 = 8,494.88/x
  3. Step 3: Cross multiply
    14,458.10x = 19,951.52 × 8,494.88
  4. Step 4: Simplify right side
    14,458.10x = 169,485,625.99
  5. Step 5: Solve for x
    x = 169,485,625.99/14,458.10
  6. Step 6: Final answer
    x = 11,722.54

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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.