Home / 14,664.87-21,997.32-3,571.50

Finding the Fourth Proportional to 14,664.87, 21,997.32 and 3,571.50

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Solution

The fourth proportional to 14,664.87, 21,997.32 and 3,571.50 is: 5,357.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,664.87 : 21,997.32 = 3,571.50 : x
  2. Step 2: Convert to fraction form
    14,664.87/21,997.32 = 3,571.50/x
  3. Step 3: Cross multiply
    14,664.87x = 21,997.32 × 3,571.50
  4. Step 4: Simplify right side
    14,664.87x = 78,563,428.38
  5. Step 5: Solve for x
    x = 78,563,428.38/14,664.87
  6. Step 6: Final answer
    x = 5,357.25

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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.