Home / 18,205.08-25,100.46-11,906.52

Finding the Fourth Proportional to 18,205.08, 25,100.46 and 11,906.52

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Solution

The fourth proportional to 18,205.08, 25,100.46 and 11,906.52 is: 16,416.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,205.08 : 25,100.46 = 11,906.52 : x
  2. Step 2: Convert to fraction form
    18,205.08/25,100.46 = 11,906.52/x
  3. Step 3: Cross multiply
    18,205.08x = 25,100.46 × 11,906.52
  4. Step 4: Simplify right side
    18,205.08x = 298,859,129.00
  5. Step 5: Solve for x
    x = 298,859,129.00/18,205.08
  6. Step 6: Final answer
    x = 16,416.25

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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.