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Finding the Fourth Proportional to 14,468.17, 19,963.43 and 8,500.81

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Solution

The fourth proportional to 14,468.17, 19,963.43 and 8,500.81 is: 11,729.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,468.17 : 19,963.43 = 8,500.81 : x
  2. Step 2: Convert to fraction form
    14,468.17/19,963.43 = 8,500.81/x
  3. Step 3: Cross multiply
    14,468.17x = 19,963.43 × 8,500.81
  4. Step 4: Simplify right side
    14,468.17x = 169,705,282.87
  5. Step 5: Solve for x
    x = 169,705,282.87/14,468.17
  6. Step 6: Final answer
    x = 11,729.56

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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.