Home / 14,614.28-20,163.21-8,943.04

Finding the Fourth Proportional to 14,614.28, 20,163.21 and 8,943.04

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Solution

The fourth proportional to 14,614.28, 20,163.21 and 8,943.04 is: 12,338.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,614.28 : 20,163.21 = 8,943.04 : x
  2. Step 2: Convert to fraction form
    14,614.28/20,163.21 = 8,943.04/x
  3. Step 3: Cross multiply
    14,614.28x = 20,163.21 × 8,943.04
  4. Step 4: Simplify right side
    14,614.28x = 180,320,292.74
  5. Step 5: Solve for x
    x = 180,320,292.74/14,614.28
  6. Step 6: Final answer
    x = 12,338.64

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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.