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Finding the Fourth Proportional to 14,458.60, 19,954.98 and 8,493.52

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Solution

The fourth proportional to 14,458.60, 19,954.98 and 8,493.52 is: 11,722.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,458.60 : 19,954.98 = 8,493.52 : x
  2. Step 2: Convert to fraction form
    14,458.60/19,954.98 = 8,493.52/x
  3. Step 3: Cross multiply
    14,458.60x = 19,954.98 × 8,493.52
  4. Step 4: Simplify right side
    14,458.60x = 169,488,021.73
  5. Step 5: Solve for x
    x = 169,488,021.73/14,458.60
  6. Step 6: Final answer
    x = 11,722.30

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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.