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Finding the Fourth Proportional to 14,697.73, 20,275.09 and 9,310.66

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Solution

The fourth proportional to 14,697.73, 20,275.09 and 9,310.66 is: 12,843.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,697.73 : 20,275.09 = 9,310.66 : x
  2. Step 2: Convert to fraction form
    14,697.73/20,275.09 = 9,310.66/x
  3. Step 3: Cross multiply
    14,697.73x = 20,275.09 × 9,310.66
  4. Step 4: Simplify right side
    14,697.73x = 188,774,512.22
  5. Step 5: Solve for x
    x = 188,774,512.22/14,697.73
  6. Step 6: Final answer
    x = 12,843.79

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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.