Home / 15,436.24-23,163.04-5,583.76

Finding the Fourth Proportional to 15,436.24, 23,163.04 and 5,583.76

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Solution

The fourth proportional to 15,436.24, 23,163.04 and 5,583.76 is: 8,378.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,436.24 : 23,163.04 = 5,583.76 : x
  2. Step 2: Convert to fraction form
    15,436.24/23,163.04 = 5,583.76/x
  3. Step 3: Cross multiply
    15,436.24x = 23,163.04 × 5,583.76
  4. Step 4: Simplify right side
    15,436.24x = 129,336,856.23
  5. Step 5: Solve for x
    x = 129,336,856.23/15,436.24
  6. Step 6: Final answer
    x = 8,378.78

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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.