Home / 20,163.32-27,823.48-11,664.08

Finding the Fourth Proportional to 20,163.32, 27,823.48 and 11,664.08

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Solution

The fourth proportional to 20,163.32, 27,823.48 and 11,664.08 is: 16,095.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,163.32 : 27,823.48 = 11,664.08 : x
  2. Step 2: Convert to fraction form
    20,163.32/27,823.48 = 11,664.08/x
  3. Step 3: Cross multiply
    20,163.32x = 27,823.48 × 11,664.08
  4. Step 4: Simplify right side
    20,163.32x = 324,535,296.60
  5. Step 5: Solve for x
    x = 324,535,296.60/20,163.32
  6. Step 6: Final answer
    x = 16,095.33

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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.