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Finding the Fourth Proportional to 14,392.58, 19,864.56 and 8,104.97

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Solution

The fourth proportional to 14,392.58, 19,864.56 and 8,104.97 is: 11,186.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,392.58 : 19,864.56 = 8,104.97 : x
  2. Step 2: Convert to fraction form
    14,392.58/19,864.56 = 8,104.97/x
  3. Step 3: Cross multiply
    14,392.58x = 19,864.56 × 8,104.97
  4. Step 4: Simplify right side
    14,392.58x = 161,001,662.86
  5. Step 5: Solve for x
    x = 161,001,662.86/14,392.58
  6. Step 6: Final answer
    x = 11,186.44

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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.