Home / 13,584.24-18,742.08-8,553.48

Finding the Fourth Proportional to 13,584.24, 18,742.08 and 8,553.48

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Solution

The fourth proportional to 13,584.24, 18,742.08 and 8,553.48 is: 11,801.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,584.24 : 18,742.08 = 8,553.48 : x
  2. Step 2: Convert to fraction form
    13,584.24/18,742.08 = 8,553.48/x
  3. Step 3: Cross multiply
    13,584.24x = 18,742.08 × 8,553.48
  4. Step 4: Simplify right side
    13,584.24x = 160,310,006.44
  5. Step 5: Solve for x
    x = 160,310,006.44/13,584.24
  6. Step 6: Final answer
    x = 11,801.18

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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.