Home / 15,543.23-23,314.82-3,856.44

Finding the Fourth Proportional to 15,543.23, 23,314.82 and 3,856.44

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Solution

The fourth proportional to 15,543.23, 23,314.82 and 3,856.44 is: 5,784.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,543.23 : 23,314.82 = 3,856.44 : x
  2. Step 2: Convert to fraction form
    15,543.23/23,314.82 = 3,856.44/x
  3. Step 3: Cross multiply
    15,543.23x = 23,314.82 × 3,856.44
  4. Step 4: Simplify right side
    15,543.23x = 89,912,185.16
  5. Step 5: Solve for x
    x = 89,912,185.16/15,543.23
  6. Step 6: Final answer
    x = 5,784.65

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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.