Home / 13,469.52-18,584.84-8,163.24

Finding the Fourth Proportional to 13,469.52, 18,584.84 and 8,163.24

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Solution

The fourth proportional to 13,469.52, 18,584.84 and 8,163.24 is: 11,263.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,469.52 : 18,584.84 = 8,163.24 : x
  2. Step 2: Convert to fraction form
    13,469.52/18,584.84 = 8,163.24/x
  3. Step 3: Cross multiply
    13,469.52x = 18,584.84 × 8,163.24
  4. Step 4: Simplify right side
    13,469.52x = 151,712,509.28
  5. Step 5: Solve for x
    x = 151,712,509.28/13,469.52
  6. Step 6: Final answer
    x = 11,263.39

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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.