Home / 14,135.44-21,162.84-11,218

Finding the Fourth Proportional to 14,135.44, 21,162.84 and 11,218

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Solution

The fourth proportional to 14,135.44, 21,162.84 and 11,218 is: 16,795.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,135.44 : 21,162.84 = 11,218 : x
  2. Step 2: Convert to fraction form
    14,135.44/21,162.84 = 11,218/x
  3. Step 3: Cross multiply
    14,135.44x = 21,162.84 × 11,218
  4. Step 4: Simplify right side
    14,135.44x = 237,404,739.12
  5. Step 5: Solve for x
    x = 237,404,739.12/14,135.44
  6. Step 6: Final answer
    x = 16,795.00

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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.