Home / 13,596.24-18,759.96-8,887.44

Finding the Fourth Proportional to 13,596.24, 18,759.96 and 8,887.44

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Solution

The fourth proportional to 13,596.24, 18,759.96 and 8,887.44 is: 12,262.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,596.24 : 18,759.96 = 8,887.44 : x
  2. Step 2: Convert to fraction form
    13,596.24/18,759.96 = 8,887.44/x
  3. Step 3: Cross multiply
    13,596.24x = 18,759.96 × 8,887.44
  4. Step 4: Simplify right side
    13,596.24x = 166,728,018.90
  5. Step 5: Solve for x
    x = 166,728,018.90/13,596.24
  6. Step 6: Final answer
    x = 12,262.80

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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.