Home / 20,597.69-30,896.46-7,450.04

Finding the Fourth Proportional to 20,597.69, 30,896.46 and 7,450.04

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Solution

The fourth proportional to 20,597.69, 30,896.46 and 7,450.04 is: 11,175.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,597.69 : 30,896.46 = 7,450.04 : x
  2. Step 2: Convert to fraction form
    20,597.69/30,896.46 = 7,450.04/x
  3. Step 3: Cross multiply
    20,597.69x = 30,896.46 × 7,450.04
  4. Step 4: Simplify right side
    20,597.69x = 230,179,708.38
  5. Step 5: Solve for x
    x = 230,179,708.38/20,597.69
  6. Step 6: Final answer
    x = 11,175.03

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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.