Home / 19,766.72-27,277.83-11,268.57

Finding the Fourth Proportional to 19,766.72, 27,277.83 and 11,268.57

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Solution

The fourth proportional to 19,766.72, 27,277.83 and 11,268.57 is: 15,550.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,766.72 : 27,277.83 = 11,268.57 : x
  2. Step 2: Convert to fraction form
    19,766.72/27,277.83 = 11,268.57/x
  3. Step 3: Cross multiply
    19,766.72x = 27,277.83 × 11,268.57
  4. Step 4: Simplify right side
    19,766.72x = 307,382,085.66
  5. Step 5: Solve for x
    x = 307,382,085.66/19,766.72
  6. Step 6: Final answer
    x = 15,550.49

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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.