Home / 17,056.80-25,563.60-7,686.90

Finding the Fourth Proportional to 17,056.80, 25,563.60 and 7,686.90

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Solution

The fourth proportional to 17,056.80, 25,563.60 and 7,686.90 is: 11,520.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,056.80 : 25,563.60 = 7,686.90 : x
  2. Step 2: Convert to fraction form
    17,056.80/25,563.60 = 7,686.90/x
  3. Step 3: Cross multiply
    17,056.80x = 25,563.60 × 7,686.90
  4. Step 4: Simplify right side
    17,056.80x = 196,504,836.84
  5. Step 5: Solve for x
    x = 196,504,836.84/17,056.80
  6. Step 6: Final answer
    x = 11,520.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.