Home / 19,216.77-26,517.84-11,150.66

Finding the Fourth Proportional to 19,216.77, 26,517.84 and 11,150.66

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Solution

The fourth proportional to 19,216.77, 26,517.84 and 11,150.66 is: 15,387.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,216.77 : 26,517.84 = 11,150.66 : x
  2. Step 2: Convert to fraction form
    19,216.77/26,517.84 = 11,150.66/x
  3. Step 3: Cross multiply
    19,216.77x = 26,517.84 × 11,150.66
  4. Step 4: Simplify right side
    19,216.77x = 295,691,520.66
  5. Step 5: Solve for x
    x = 295,691,520.66/19,216.77
  6. Step 6: Final answer
    x = 15,387.16

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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.