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Finding the Fourth Proportional to 19,873, 27,425.46 and 11,376.68

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Solution

The fourth proportional to 19,873, 27,425.46 and 11,376.68 is: 15,700.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,873 : 27,425.46 = 11,376.68 : x
  2. Step 2: Convert to fraction form
    19,873/27,425.46 = 11,376.68/x
  3. Step 3: Cross multiply
    19,873x = 27,425.46 × 11,376.68
  4. Step 4: Simplify right side
    19,873x = 312,010,682.27
  5. Step 5: Solve for x
    x = 312,010,682.27/19,873
  6. Step 6: Final answer
    x = 15,700.23

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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.