Home / 15,944.24-23,922.36-7,172.72

Finding the Fourth Proportional to 15,944.24, 23,922.36 and 7,172.72

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Solution

The fourth proportional to 15,944.24, 23,922.36 and 7,172.72 is: 10,761.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,944.24 : 23,922.36 = 7,172.72 : x
  2. Step 2: Convert to fraction form
    15,944.24/23,922.36 = 7,172.72/x
  3. Step 3: Cross multiply
    15,944.24x = 23,922.36 × 7,172.72
  4. Step 4: Simplify right side
    15,944.24x = 171,588,390.02
  5. Step 5: Solve for x
    x = 171,588,390.02/15,944.24
  6. Step 6: Final answer
    x = 10,761.78

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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.