Home / 16,755.88-25,099.80-7,857.76

Finding the Fourth Proportional to 16,755.88, 25,099.80 and 7,857.76

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Solution

The fourth proportional to 16,755.88, 25,099.80 and 7,857.76 is: 11,770.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,755.88 : 25,099.80 = 7,857.76 : x
  2. Step 2: Convert to fraction form
    16,755.88/25,099.80 = 7,857.76/x
  3. Step 3: Cross multiply
    16,755.88x = 25,099.80 × 7,857.76
  4. Step 4: Simplify right side
    16,755.88x = 197,228,204.45
  5. Step 5: Solve for x
    x = 197,228,204.45/16,755.88
  6. Step 6: Final answer
    x = 11,770.69

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1.5x scale

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.