Home / 27,172.42-40,757.67-7,450.66

Finding the Fourth Proportional to 27,172.42, 40,757.67 and 7,450.66

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Solution

The fourth proportional to 27,172.42, 40,757.67 and 7,450.66 is: 11,175.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,172.42 : 40,757.67 = 7,450.66 : x
  2. Step 2: Convert to fraction form
    27,172.42/40,757.67 = 7,450.66/x
  3. Step 3: Cross multiply
    27,172.42x = 40,757.67 × 7,450.66
  4. Step 4: Simplify right side
    27,172.42x = 303,671,541.56
  5. Step 5: Solve for x
    x = 303,671,541.56/27,172.42
  6. Step 6: Final answer
    x = 11,175.73

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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.