Home / 19,391.68-29,087.70-5,352.49

Finding the Fourth Proportional to 19,391.68, 29,087.70 and 5,352.49

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Solution

The fourth proportional to 19,391.68, 29,087.70 and 5,352.49 is: 8,028.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,391.68 : 29,087.70 = 5,352.49 : x
  2. Step 2: Convert to fraction form
    19,391.68/29,087.70 = 5,352.49/x
  3. Step 3: Cross multiply
    19,391.68x = 29,087.70 × 5,352.49
  4. Step 4: Simplify right side
    19,391.68x = 155,691,623.37
  5. Step 5: Solve for x
    x = 155,691,623.37/19,391.68
  6. Step 6: Final answer
    x = 8,028.78

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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.