Home / 19,930.98-29,881.83-9,550.02

Finding the Fourth Proportional to 19,930.98, 29,881.83 and 9,550.02

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Solution

The fourth proportional to 19,930.98, 29,881.83 and 9,550.02 is: 14,318.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,930.98 : 29,881.83 = 9,550.02 : x
  2. Step 2: Convert to fraction form
    19,930.98/29,881.83 = 9,550.02/x
  3. Step 3: Cross multiply
    19,930.98x = 29,881.83 × 9,550.02
  4. Step 4: Simplify right side
    19,930.98x = 285,372,074.14
  5. Step 5: Solve for x
    x = 285,372,074.14/19,930.98
  6. Step 6: Final answer
    x = 14,318.02

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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.