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Finding the Fourth Proportional to 18,833.97, 25,992.32 and 10,450.47

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Solution

The fourth proportional to 18,833.97, 25,992.32 and 10,450.47 is: 14,422.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,833.97 : 25,992.32 = 10,450.47 : x
  2. Step 2: Convert to fraction form
    18,833.97/25,992.32 = 10,450.47/x
  3. Step 3: Cross multiply
    18,833.97x = 25,992.32 × 10,450.47
  4. Step 4: Simplify right side
    18,833.97x = 271,631,908.14
  5. Step 5: Solve for x
    x = 271,631,908.14/18,833.97
  6. Step 6: Final answer
    x = 14,422.45

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Similar ratio
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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.