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Finding the Fourth Proportional to 14,304.69, 19,736.39 and 8,254.46

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Solution

The fourth proportional to 14,304.69, 19,736.39 and 8,254.46 is: 11,388.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,304.69 : 19,736.39 = 8,254.46 : x
  2. Step 2: Convert to fraction form
    14,304.69/19,736.39 = 8,254.46/x
  3. Step 3: Cross multiply
    14,304.69x = 19,736.39 × 8,254.46
  4. Step 4: Simplify right side
    14,304.69x = 162,913,241.80
  5. Step 5: Solve for x
    x = 162,913,241.80/14,304.69
  6. Step 6: Final answer
    x = 11,388.80

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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.