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Finding the Fourth Proportional to 18,833.98, 25,993.11 and 10,451.02

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Solution

The fourth proportional to 18,833.98, 25,993.11 and 10,451.02 is: 14,423.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,833.98 : 25,993.11 = 10,451.02 : x
  2. Step 2: Convert to fraction form
    18,833.98/25,993.11 = 10,451.02/x
  3. Step 3: Cross multiply
    18,833.98x = 25,993.11 × 10,451.02
  4. Step 4: Simplify right side
    18,833.98x = 271,654,512.47
  5. Step 5: Solve for x
    x = 271,654,512.47/18,833.98
  6. Step 6: Final answer
    x = 14,423.64

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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.