Home / 13,674.15-18,822.92-11,791.98

Finding the Fourth Proportional to 13,674.15, 18,822.92 and 11,791.98

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Solution

The fourth proportional to 13,674.15, 18,822.92 and 11,791.98 is: 16,232.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,674.15 : 18,822.92 = 11,791.98 : x
  2. Step 2: Convert to fraction form
    13,674.15/18,822.92 = 11,791.98/x
  3. Step 3: Cross multiply
    13,674.15x = 18,822.92 × 11,791.98
  4. Step 4: Simplify right side
    13,674.15x = 221,959,437.22
  5. Step 5: Solve for x
    x = 221,959,437.22/13,674.15
  6. Step 6: Final answer
    x = 16,232.05

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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.