Home / 15,629.46-23,431.23-5,766.90

Finding the Fourth Proportional to 15,629.46, 23,431.23 and 5,766.90

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Solution

The fourth proportional to 15,629.46, 23,431.23 and 5,766.90 is: 8,645.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,629.46 : 23,431.23 = 5,766.90 : x
  2. Step 2: Convert to fraction form
    15,629.46/23,431.23 = 5,766.90/x
  3. Step 3: Cross multiply
    15,629.46x = 23,431.23 × 5,766.90
  4. Step 4: Simplify right side
    15,629.46x = 135,125,560.29
  5. Step 5: Solve for x
    x = 135,125,560.29/15,629.46
  6. Step 6: Final answer
    x = 8,645.57

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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.