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Finding the Fourth Proportional to 14,487.14, 21,730.71 and 6,694.94

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Solution

The fourth proportional to 14,487.14, 21,730.71 and 6,694.94 is: 10,042.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,487.14 : 21,730.71 = 6,694.94 : x
  2. Step 2: Convert to fraction form
    14,487.14/21,730.71 = 6,694.94/x
  3. Step 3: Cross multiply
    14,487.14x = 21,730.71 × 6,694.94
  4. Step 4: Simplify right side
    14,487.14x = 145,485,690.95
  5. Step 5: Solve for x
    x = 145,485,690.95/14,487.14
  6. Step 6: Final answer
    x = 10,042.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.