Home / 31,672.55-47,516.21-9,183.69

Finding the Fourth Proportional to 31,672.55, 47,516.21 and 9,183.69

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Solution

The fourth proportional to 31,672.55, 47,516.21 and 9,183.69 is: 13,777.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,672.55 : 47,516.21 = 9,183.69 : x
  2. Step 2: Convert to fraction form
    31,672.55/47,516.21 = 9,183.69/x
  3. Step 3: Cross multiply
    31,672.55x = 47,516.21 × 9,183.69
  4. Step 4: Simplify right side
    31,672.55x = 436,374,096.70
  5. Step 5: Solve for x
    x = 436,374,096.70/31,672.55
  6. Step 6: Final answer
    x = 13,777.68

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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.