Home / 15,912.48-23,869.36-4,225.80

Finding the Fourth Proportional to 15,912.48, 23,869.36 and 4,225.80

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Solution

The fourth proportional to 15,912.48, 23,869.36 and 4,225.80 is: 6,338.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,912.48 : 23,869.36 = 4,225.80 : x
  2. Step 2: Convert to fraction form
    15,912.48/23,869.36 = 4,225.80/x
  3. Step 3: Cross multiply
    15,912.48x = 23,869.36 × 4,225.80
  4. Step 4: Simplify right side
    15,912.48x = 100,867,141.49
  5. Step 5: Solve for x
    x = 100,867,141.49/15,912.48
  6. Step 6: Final answer
    x = 6,338.87

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.