Home / 15,515.82-23,273.46-3,829.05

Finding the Fourth Proportional to 15,515.82, 23,273.46 and 3,829.05

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Solution

The fourth proportional to 15,515.82, 23,273.46 and 3,829.05 is: 5,743.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,515.82 : 23,273.46 = 3,829.05 : x
  2. Step 2: Convert to fraction form
    15,515.82/23,273.46 = 3,829.05/x
  3. Step 3: Cross multiply
    15,515.82x = 23,273.46 × 3,829.05
  4. Step 4: Simplify right side
    15,515.82x = 89,115,242.01
  5. Step 5: Solve for x
    x = 89,115,242.01/15,515.82
  6. Step 6: Final answer
    x = 5,743.51

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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.