Home / 18,896.02-28,305.14-11,086

Finding the Fourth Proportional to 18,896.02, 28,305.14 and 11,086

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Solution

The fourth proportional to 18,896.02, 28,305.14 and 11,086 is: 16,606.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,896.02 : 28,305.14 = 11,086 : x
  2. Step 2: Convert to fraction form
    18,896.02/28,305.14 = 11,086/x
  3. Step 3: Cross multiply
    18,896.02x = 28,305.14 × 11,086
  4. Step 4: Simplify right side
    18,896.02x = 313,790,782.04
  5. Step 5: Solve for x
    x = 313,790,782.04/18,896.02
  6. Step 6: Final answer
    x = 16,606.18

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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.