Home / 14,101.43-21,152.19-3,571.44

Finding the Fourth Proportional to 14,101.43, 21,152.19 and 3,571.44

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Solution

The fourth proportional to 14,101.43, 21,152.19 and 3,571.44 is: 5,357.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,101.43 : 21,152.19 = 3,571.44 : x
  2. Step 2: Convert to fraction form
    14,101.43/21,152.19 = 3,571.44/x
  3. Step 3: Cross multiply
    14,101.43x = 21,152.19 × 3,571.44
  4. Step 4: Simplify right side
    14,101.43x = 75,543,777.45
  5. Step 5: Solve for x
    x = 75,543,777.45/14,101.43
  6. Step 6: Final answer
    x = 5,357.17

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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.