Home / 14,614.88-20,168.55-8,327.25

Finding the Fourth Proportional to 14,614.88, 20,168.55 and 8,327.25

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Solution

The fourth proportional to 14,614.88, 20,168.55 and 8,327.25 is: 11,491.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,614.88 : 20,168.55 = 8,327.25 : x
  2. Step 2: Convert to fraction form
    14,614.88/20,168.55 = 8,327.25/x
  3. Step 3: Cross multiply
    14,614.88x = 20,168.55 × 8,327.25
  4. Step 4: Simplify right side
    14,614.88x = 167,948,557.99
  5. Step 5: Solve for x
    x = 167,948,557.99/14,614.88
  6. Step 6: Final answer
    x = 11,491.62

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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.