Home / 20,516.94-30,775.67-7,369.31

Finding the Fourth Proportional to 20,516.94, 30,775.67 and 7,369.31

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Solution

The fourth proportional to 20,516.94, 30,775.67 and 7,369.31 is: 11,054.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,516.94 : 30,775.67 = 7,369.31 : x
  2. Step 2: Convert to fraction form
    20,516.94/30,775.67 = 7,369.31/x
  3. Step 3: Cross multiply
    20,516.94x = 30,775.67 × 7,369.31
  4. Step 4: Simplify right side
    20,516.94x = 226,795,452.69
  5. Step 5: Solve for x
    x = 226,795,452.69/20,516.94
  6. Step 6: Final answer
    x = 11,054.06

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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.