Home / 36,968.72-55,475.06-13,611.56

Finding the Fourth Proportional to 36,968.72, 55,475.06 and 13,611.56

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Solution

The fourth proportional to 36,968.72, 55,475.06 and 13,611.56 is: 20,425.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,968.72 : 55,475.06 = 13,611.56 : x
  2. Step 2: Convert to fraction form
    36,968.72/55,475.06 = 13,611.56/x
  3. Step 3: Cross multiply
    36,968.72x = 55,475.06 × 13,611.56
  4. Step 4: Simplify right side
    36,968.72x = 755,102,107.69
  5. Step 5: Solve for x
    x = 755,102,107.69/36,968.72
  6. Step 6: Final answer
    x = 20,425.43

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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.