Home / 23,080.05-31,850.45-12,469.68

Finding the Fourth Proportional to 23,080.05, 31,850.45 and 12,469.68

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Solution

The fourth proportional to 23,080.05, 31,850.45 and 12,469.68 is: 17,208.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,080.05 : 31,850.45 = 12,469.68 : x
  2. Step 2: Convert to fraction form
    23,080.05/31,850.45 = 12,469.68/x
  3. Step 3: Cross multiply
    23,080.05x = 31,850.45 × 12,469.68
  4. Step 4: Simplify right side
    23,080.05x = 397,164,919.36
  5. Step 5: Solve for x
    x = 397,164,919.36/23,080.05
  6. Step 6: Final answer
    x = 17,208.15

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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.