Home / 19,440.94-29,161.86-6,961.82

Finding the Fourth Proportional to 19,440.94, 29,161.86 and 6,961.82

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Solution

The fourth proportional to 19,440.94, 29,161.86 and 6,961.82 is: 10,442.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,440.94 : 29,161.86 = 6,961.82 : x
  2. Step 2: Convert to fraction form
    19,440.94/29,161.86 = 6,961.82/x
  3. Step 3: Cross multiply
    19,440.94x = 29,161.86 × 6,961.82
  4. Step 4: Simplify right side
    19,440.94x = 203,019,620.19
  5. Step 5: Solve for x
    x = 203,019,620.19/19,440.94
  6. Step 6: Final answer
    x = 10,442.89

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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.