Home / 19,550.16-29,326.32-7,861.86

Finding the Fourth Proportional to 19,550.16, 29,326.32 and 7,861.86

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Solution

The fourth proportional to 19,550.16, 29,326.32 and 7,861.86 is: 11,793.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,550.16 : 29,326.32 = 7,861.86 : x
  2. Step 2: Convert to fraction form
    19,550.16/29,326.32 = 7,861.86/x
  3. Step 3: Cross multiply
    19,550.16x = 29,326.32 × 7,861.86
  4. Step 4: Simplify right side
    19,550.16x = 230,559,422.16
  5. Step 5: Solve for x
    x = 230,559,422.16/19,550.16
  6. Step 6: Final answer
    x = 11,793.22

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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.