Home / 15,545.21-23,318.04-3,858.44

Finding the Fourth Proportional to 15,545.21, 23,318.04 and 3,858.44

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Solution

The fourth proportional to 15,545.21, 23,318.04 and 3,858.44 is: 5,787.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,545.21 : 23,318.04 = 3,858.44 : x
  2. Step 2: Convert to fraction form
    15,545.21/23,318.04 = 3,858.44/x
  3. Step 3: Cross multiply
    15,545.21x = 23,318.04 × 3,858.44
  4. Step 4: Simplify right side
    15,545.21x = 89,971,141.67
  5. Step 5: Solve for x
    x = 89,971,141.67/15,545.21
  6. Step 6: Final answer
    x = 5,787.71

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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.