Home / 14,431.88-21,631.62-9,443.82

Finding the Fourth Proportional to 14,431.88, 21,631.62 and 9,443.82

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Solution

The fourth proportional to 14,431.88, 21,631.62 and 9,443.82 is: 14,155.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,431.88 : 21,631.62 = 9,443.82 : x
  2. Step 2: Convert to fraction form
    14,431.88/21,631.62 = 9,443.82/x
  3. Step 3: Cross multiply
    14,431.88x = 21,631.62 × 9,443.82
  4. Step 4: Simplify right side
    14,431.88x = 204,285,125.59
  5. Step 5: Solve for x
    x = 204,285,125.59/14,431.88
  6. Step 6: Final answer
    x = 14,155.13

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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.