Home / 15,912.77-23,867.31-4,226.90

Finding the Fourth Proportional to 15,912.77, 23,867.31 and 4,226.90

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Solution

The fourth proportional to 15,912.77, 23,867.31 and 4,226.90 is: 6,339.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,912.77 : 23,867.31 = 4,226.90 : x
  2. Step 2: Convert to fraction form
    15,912.77/23,867.31 = 4,226.90/x
  3. Step 3: Cross multiply
    15,912.77x = 23,867.31 × 4,226.90
  4. Step 4: Simplify right side
    15,912.77x = 100,884,732.64
  5. Step 5: Solve for x
    x = 100,884,732.64/15,912.77
  6. Step 6: Final answer
    x = 6,339.86

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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.