Home / 19,350.39-29,091.20-15,451.46

Finding the Fourth Proportional to 19,350.39, 29,091.20 and 15,451.46

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Solution

The fourth proportional to 19,350.39, 29,091.20 and 15,451.46 is: 23,229.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,350.39 : 29,091.20 = 15,451.46 : x
  2. Step 2: Convert to fraction form
    19,350.39/29,091.20 = 15,451.46/x
  3. Step 3: Cross multiply
    19,350.39x = 29,091.20 × 15,451.46
  4. Step 4: Simplify right side
    19,350.39x = 449,501,486.45
  5. Step 5: Solve for x
    x = 449,501,486.45/19,350.39
  6. Step 6: Final answer
    x = 23,229.58

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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.