Home / 14,614.14-20,167.38-8,958.72

Finding the Fourth Proportional to 14,614.14, 20,167.38 and 8,958.72

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Solution

The fourth proportional to 14,614.14, 20,167.38 and 8,958.72 is: 12,362.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,614.14 : 20,167.38 = 8,958.72 : x
  2. Step 2: Convert to fraction form
    14,614.14/20,167.38 = 8,958.72/x
  3. Step 3: Cross multiply
    14,614.14x = 20,167.38 × 8,958.72
  4. Step 4: Simplify right side
    14,614.14x = 180,673,910.55
  5. Step 5: Solve for x
    x = 180,673,910.55/14,614.14
  6. Step 6: Final answer
    x = 12,362.95

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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.