Home / 19,753.23-29,629.85-7,912.38

Finding the Fourth Proportional to 19,753.23, 29,629.85 and 7,912.38

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Solution

The fourth proportional to 19,753.23, 29,629.85 and 7,912.38 is: 11,868.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,753.23 : 29,629.85 = 7,912.38 : x
  2. Step 2: Convert to fraction form
    19,753.23/29,629.85 = 7,912.38/x
  3. Step 3: Cross multiply
    19,753.23x = 29,629.85 × 7,912.38
  4. Step 4: Simplify right side
    19,753.23x = 234,442,592.98
  5. Step 5: Solve for x
    x = 234,442,592.98/19,753.23
  6. Step 6: Final answer
    x = 11,868.57

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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.