Home / 23,191.76-34,785.36-11,512.64

Finding the Fourth Proportional to 23,191.76, 34,785.36 and 11,512.64

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Solution

The fourth proportional to 23,191.76, 34,785.36 and 11,512.64 is: 17,267.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,191.76 : 34,785.36 = 11,512.64 : x
  2. Step 2: Convert to fraction form
    23,191.76/34,785.36 = 11,512.64/x
  3. Step 3: Cross multiply
    23,191.76x = 34,785.36 × 11,512.64
  4. Step 4: Simplify right side
    23,191.76x = 400,471,326.95
  5. Step 5: Solve for x
    x = 400,471,326.95/23,191.76
  6. Step 6: Final answer
    x = 17,267.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.