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Finding the Fourth Proportional to 18,804.59, 25,951.43 and 10,847.15

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Solution

The fourth proportional to 18,804.59, 25,951.43 and 10,847.15 is: 14,969.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,804.59 : 25,951.43 = 10,847.15 : x
  2. Step 2: Convert to fraction form
    18,804.59/25,951.43 = 10,847.15/x
  3. Step 3: Cross multiply
    18,804.59x = 25,951.43 × 10,847.15
  4. Step 4: Simplify right side
    18,804.59x = 281,498,999.69
  5. Step 5: Solve for x
    x = 281,498,999.69/18,804.59
  6. Step 6: Final answer
    x = 14,969.70

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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.