Home / 23,110.80-31,892.94-12,500.44

Finding the Fourth Proportional to 23,110.80, 31,892.94 and 12,500.44

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Solution

The fourth proportional to 23,110.80, 31,892.94 and 12,500.44 is: 17,250.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,110.80 : 31,892.94 = 12,500.44 : x
  2. Step 2: Convert to fraction form
    23,110.80/31,892.94 = 12,500.44/x
  3. Step 3: Cross multiply
    23,110.80x = 31,892.94 × 12,500.44
  4. Step 4: Simplify right side
    23,110.80x = 398,675,782.89
  5. Step 5: Solve for x
    x = 398,675,782.89/23,110.80
  6. Step 6: Final answer
    x = 17,250.63

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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.