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Finding the Fourth Proportional to 14,657.49, 20,227.73 and 8,369.73

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Solution

The fourth proportional to 14,657.49, 20,227.73 and 8,369.73 is: 11,550.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,657.49 : 20,227.73 = 8,369.73 : x
  2. Step 2: Convert to fraction form
    14,657.49/20,227.73 = 8,369.73/x
  3. Step 3: Cross multiply
    14,657.49x = 20,227.73 × 8,369.73
  4. Step 4: Simplify right side
    14,657.49x = 169,300,596.76
  5. Step 5: Solve for x
    x = 169,300,596.76/14,657.49
  6. Step 6: Final answer
    x = 11,550.45

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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.