Home / 19,441.12-29,162.34-6,961.98

Finding the Fourth Proportional to 19,441.12, 29,162.34 and 6,961.98

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Solution

The fourth proportional to 19,441.12, 29,162.34 and 6,961.98 is: 10,443.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,441.12 : 29,162.34 = 6,961.98 : x
  2. Step 2: Convert to fraction form
    19,441.12/29,162.34 = 6,961.98/x
  3. Step 3: Cross multiply
    19,441.12x = 29,162.34 × 6,961.98
  4. Step 4: Simplify right side
    19,441.12x = 203,027,627.83
  5. Step 5: Solve for x
    x = 203,027,627.83/19,441.12
  6. Step 6: Final answer
    x = 10,443.21

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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.