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Finding the Fourth Proportional to 18,804.84, 25,951.77 and 10,847.40

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Solution

The fourth proportional to 18,804.84, 25,951.77 and 10,847.40 is: 14,970.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,804.84 : 25,951.77 = 10,847.40 : x
  2. Step 2: Convert to fraction form
    18,804.84/25,951.77 = 10,847.40/x
  3. Step 3: Cross multiply
    18,804.84x = 25,951.77 × 10,847.40
  4. Step 4: Simplify right side
    18,804.84x = 281,509,229.90
  5. Step 5: Solve for x
    x = 281,509,229.90/18,804.84
  6. Step 6: Final answer
    x = 14,970.04

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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.