Home / 20,197.03-27,867.67-11,698.64

Finding the Fourth Proportional to 20,197.03, 27,867.67 and 11,698.64

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Solution

The fourth proportional to 20,197.03, 27,867.67 and 11,698.64 is: 16,141.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,197.03 : 27,867.67 = 11,698.64 : x
  2. Step 2: Convert to fraction form
    20,197.03/27,867.67 = 11,698.64/x
  3. Step 3: Cross multiply
    20,197.03x = 27,867.67 × 11,698.64
  4. Step 4: Simplify right side
    20,197.03x = 326,013,879.39
  5. Step 5: Solve for x
    x = 326,013,879.39/20,197.03
  6. Step 6: Final answer
    x = 16,141.68

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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.