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Finding the Fourth Proportional to 14,394.60, 19,863.09 and 10,619.82

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Solution

The fourth proportional to 14,394.60, 19,863.09 and 10,619.82 is: 14,654.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,394.60 : 19,863.09 = 10,619.82 : x
  2. Step 2: Convert to fraction form
    14,394.60/19,863.09 = 10,619.82/x
  3. Step 3: Cross multiply
    14,394.60x = 19,863.09 × 10,619.82
  4. Step 4: Simplify right side
    14,394.60x = 210,942,440.44
  5. Step 5: Solve for x
    x = 210,942,440.44/14,394.60
  6. Step 6: Final answer
    x = 14,654.28

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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.