Home / 18,833.86-25,982.52-11,661.85

Finding the Fourth Proportional to 18,833.86, 25,982.52 and 11,661.85

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Solution

The fourth proportional to 18,833.86, 25,982.52 and 11,661.85 is: 16,088.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,833.86 : 25,982.52 = 11,661.85 : x
  2. Step 2: Convert to fraction form
    18,833.86/25,982.52 = 11,661.85/x
  3. Step 3: Cross multiply
    18,833.86x = 25,982.52 × 11,661.85
  4. Step 4: Simplify right side
    18,833.86x = 303,004,250.86
  5. Step 5: Solve for x
    x = 303,004,250.86/18,833.86
  6. Step 6: Final answer
    x = 16,088.27

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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.