Home / 16,782.45-23,163.13-12,796.44

Finding the Fourth Proportional to 16,782.45, 23,163.13 and 12,796.44

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Solution

The fourth proportional to 16,782.45, 23,163.13 and 12,796.44 is: 17,661.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,782.45 : 23,163.13 = 12,796.44 : x
  2. Step 2: Convert to fraction form
    16,782.45/23,163.13 = 12,796.44/x
  3. Step 3: Cross multiply
    16,782.45x = 23,163.13 × 12,796.44
  4. Step 4: Simplify right side
    16,782.45x = 296,405,603.26
  5. Step 5: Solve for x
    x = 296,405,603.26/16,782.45
  6. Step 6: Final answer
    x = 17,661.64

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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.