Home / 13,163.64-18,180.91-9,594.51

Finding the Fourth Proportional to 13,163.64, 18,180.91 and 9,594.51

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Solution

The fourth proportional to 13,163.64, 18,180.91 and 9,594.51 is: 13,251.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,163.64 : 18,180.91 = 9,594.51 : x
  2. Step 2: Convert to fraction form
    13,163.64/18,180.91 = 9,594.51/x
  3. Step 3: Cross multiply
    13,163.64x = 18,180.91 × 9,594.51
  4. Step 4: Simplify right side
    13,163.64x = 174,436,922.80
  5. Step 5: Solve for x
    x = 174,436,922.80/13,163.64
  6. Step 6: Final answer
    x = 13,251.42

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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.