Home / 23,079.70-31,850.00-12,469.33

Finding the Fourth Proportional to 23,079.70, 31,850.00 and 12,469.33

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Solution

The fourth proportional to 23,079.70, 31,850.00 and 12,469.33 is: 17,207.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,079.70 : 31,850.00 = 12,469.33 : x
  2. Step 2: Convert to fraction form
    23,079.70/31,850.00 = 12,469.33/x
  3. Step 3: Cross multiply
    23,079.70x = 31,850.00 × 12,469.33
  4. Step 4: Simplify right side
    23,079.70x = 397,148,065.29
  5. Step 5: Solve for x
    x = 397,148,065.29/23,079.70
  6. Step 6: Final answer
    x = 17,207.68

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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.