Home / 20,247.57-27,975.91-14,571.09

Finding the Fourth Proportional to 20,247.57, 27,975.91 and 14,571.09

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Solution

The fourth proportional to 20,247.57, 27,975.91 and 14,571.09 is: 20,132.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,247.57 : 27,975.91 = 14,571.09 : x
  2. Step 2: Convert to fraction form
    20,247.57/27,975.91 = 14,571.09/x
  3. Step 3: Cross multiply
    20,247.57x = 27,975.91 × 14,571.09
  4. Step 4: Simplify right side
    20,247.57x = 407,639,502.44
  5. Step 5: Solve for x
    x = 407,639,502.44/20,247.57
  6. Step 6: Final answer
    x = 20,132.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.