Home / 16,757.12-25,118.40-7,529.60

Finding the Fourth Proportional to 16,757.12, 25,118.40 and 7,529.60

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Solution

The fourth proportional to 16,757.12, 25,118.40 and 7,529.60 is: 11,286.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,757.12 : 25,118.40 = 7,529.60 : x
  2. Step 2: Convert to fraction form
    16,757.12/25,118.40 = 7,529.60/x
  3. Step 3: Cross multiply
    16,757.12x = 25,118.40 × 7,529.60
  4. Step 4: Simplify right side
    16,757.12x = 189,131,504.64
  5. Step 5: Solve for x
    x = 189,131,504.64/16,757.12
  6. Step 6: Final answer
    x = 11,286.64

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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.