Home / 19,651.87-27,116.53-11,266.75

Finding the Fourth Proportional to 19,651.87, 27,116.53 and 11,266.75

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Solution

The fourth proportional to 19,651.87, 27,116.53 and 11,266.75 is: 15,546.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,651.87 : 27,116.53 = 11,266.75 : x
  2. Step 2: Convert to fraction form
    19,651.87/27,116.53 = 11,266.75/x
  3. Step 3: Cross multiply
    19,651.87x = 27,116.53 × 11,266.75
  4. Step 4: Simplify right side
    19,651.87x = 305,515,164.38
  5. Step 5: Solve for x
    x = 305,515,164.38/19,651.87
  6. Step 6: Final answer
    x = 15,546.37

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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.