Home / 11,814.78-16,198.74-11,604.18

Finding the Fourth Proportional to 11,814.78, 16,198.74 and 11,604.18

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Solution

The fourth proportional to 11,814.78, 16,198.74 and 11,604.18 is: 15,910.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,814.78 : 16,198.74 = 11,604.18 : x
  2. Step 2: Convert to fraction form
    11,814.78/16,198.74 = 11,604.18/x
  3. Step 3: Cross multiply
    11,814.78x = 16,198.74 × 11,604.18
  4. Step 4: Simplify right side
    11,814.78x = 187,973,094.73
  5. Step 5: Solve for x
    x = 187,973,094.73/11,814.78
  6. Step 6: Final answer
    x = 15,910.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.