Home / 14,240.73-21,363.52-4,379.79

Finding the Fourth Proportional to 14,240.73, 21,363.52 and 4,379.79

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Solution

The fourth proportional to 14,240.73, 21,363.52 and 4,379.79 is: 6,570.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,240.73 : 21,363.52 = 4,379.79 : x
  2. Step 2: Convert to fraction form
    14,240.73/21,363.52 = 4,379.79/x
  3. Step 3: Cross multiply
    14,240.73x = 21,363.52 × 4,379.79
  4. Step 4: Simplify right side
    14,240.73x = 93,567,731.26
  5. Step 5: Solve for x
    x = 93,567,731.26/14,240.73
  6. Step 6: Final answer
    x = 6,570.43

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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.