Home / 18,311.46-25,265.73-11,937.48

Finding the Fourth Proportional to 18,311.46, 25,265.73 and 11,937.48

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Solution

The fourth proportional to 18,311.46, 25,265.73 and 11,937.48 is: 16,471.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,311.46 : 25,265.73 = 11,937.48 : x
  2. Step 2: Convert to fraction form
    18,311.46/25,265.73 = 11,937.48/x
  3. Step 3: Cross multiply
    18,311.46x = 25,265.73 × 11,937.48
  4. Step 4: Simplify right side
    18,311.46x = 301,609,146.56
  5. Step 5: Solve for x
    x = 301,609,146.56/18,311.46
  6. Step 6: Final answer
    x = 16,471.06

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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.