Home / 14,418.25-19,896.19-8,368.66

Finding the Fourth Proportional to 14,418.25, 19,896.19 and 8,368.66

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Solution

The fourth proportional to 14,418.25, 19,896.19 and 8,368.66 is: 11,548.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,418.25 : 19,896.19 = 8,368.66 : x
  2. Step 2: Convert to fraction form
    14,418.25/19,896.19 = 8,368.66/x
  3. Step 3: Cross multiply
    14,418.25x = 19,896.19 × 8,368.66
  4. Step 4: Simplify right side
    14,418.25x = 166,504,449.41
  5. Step 5: Solve for x
    x = 166,504,449.41/14,418.25
  6. Step 6: Final answer
    x = 11,548.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.