Home / 14,217.95-21,326.94-3,829.70

Finding the Fourth Proportional to 14,217.95, 21,326.94 and 3,829.70

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Solution

The fourth proportional to 14,217.95, 21,326.94 and 3,829.70 is: 5,744.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,217.95 : 21,326.94 = 3,829.70 : x
  2. Step 2: Convert to fraction form
    14,217.95/21,326.94 = 3,829.70/x
  3. Step 3: Cross multiply
    14,217.95x = 21,326.94 × 3,829.70
  4. Step 4: Simplify right side
    14,217.95x = 81,675,835.44
  5. Step 5: Solve for x
    x = 81,675,835.44/14,217.95
  6. Step 6: Final answer
    x = 5,744.56

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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.