Home / 14,222.25-21,335.86-4,863.21

Finding the Fourth Proportional to 14,222.25, 21,335.86 and 4,863.21

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Solution

The fourth proportional to 14,222.25, 21,335.86 and 4,863.21 is: 7,295.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,222.25 : 21,335.86 = 4,863.21 : x
  2. Step 2: Convert to fraction form
    14,222.25/21,335.86 = 4,863.21/x
  3. Step 3: Cross multiply
    14,222.25x = 21,335.86 × 4,863.21
  4. Step 4: Simplify right side
    14,222.25x = 103,760,773.79
  5. Step 5: Solve for x
    x = 103,760,773.79/14,222.25
  6. Step 6: Final answer
    x = 7,295.66

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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.