Home / 15,388.82-23,083.23-3,702.05

Finding the Fourth Proportional to 15,388.82, 23,083.23 and 3,702.05

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Solution

The fourth proportional to 15,388.82, 23,083.23 and 3,702.05 is: 5,553.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,388.82 : 23,083.23 = 3,702.05 : x
  2. Step 2: Convert to fraction form
    15,388.82/23,083.23 = 3,702.05/x
  3. Step 3: Cross multiply
    15,388.82x = 23,083.23 × 3,702.05
  4. Step 4: Simplify right side
    15,388.82x = 85,455,156.21
  5. Step 5: Solve for x
    x = 85,455,156.21/15,388.82
  6. Step 6: Final answer
    x = 5,553.07

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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.