Home / 14,665.13-21,997.71-3,571.73

Finding the Fourth Proportional to 14,665.13, 21,997.71 and 3,571.73

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Solution

The fourth proportional to 14,665.13, 21,997.71 and 3,571.73 is: 5,357.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,665.13 : 21,997.71 = 3,571.73 : x
  2. Step 2: Convert to fraction form
    14,665.13/21,997.71 = 3,571.73/x
  3. Step 3: Cross multiply
    14,665.13x = 21,997.71 × 3,571.73
  4. Step 4: Simplify right side
    14,665.13x = 78,569,880.74
  5. Step 5: Solve for x
    x = 78,569,880.74/14,665.13
  6. Step 6: Final answer
    x = 5,357.60

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1.5x scale

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.