Home / 23,134.08-34,660.80-13,879.68

Finding the Fourth Proportional to 23,134.08, 34,660.80 and 13,879.68

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Solution

The fourth proportional to 23,134.08, 34,660.80 and 13,879.68 is: 20,795.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,134.08 : 34,660.80 = 13,879.68 : x
  2. Step 2: Convert to fraction form
    23,134.08/34,660.80 = 13,879.68/x
  3. Step 3: Cross multiply
    23,134.08x = 34,660.80 × 13,879.68
  4. Step 4: Simplify right side
    23,134.08x = 481,080,812.54
  5. Step 5: Solve for x
    x = 481,080,812.54/23,134.08
  6. Step 6: Final answer
    x = 20,795.33

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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.