Home / 22,912.25-31,623.87-13,353.75

Finding the Fourth Proportional to 22,912.25, 31,623.87 and 13,353.75

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Solution

The fourth proportional to 22,912.25, 31,623.87 and 13,353.75 is: 18,431.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,912.25 : 31,623.87 = 13,353.75 : x
  2. Step 2: Convert to fraction form
    22,912.25/31,623.87 = 13,353.75/x
  3. Step 3: Cross multiply
    22,912.25x = 31,623.87 × 13,353.75
  4. Step 4: Simplify right side
    22,912.25x = 422,297,254.01
  5. Step 5: Solve for x
    x = 422,297,254.01/22,912.25
  6. Step 6: Final answer
    x = 18,431.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.