Home / 14,651.35-20,245.68-10,665.54

Finding the Fourth Proportional to 14,651.35, 20,245.68 and 10,665.54

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Solution

The fourth proportional to 14,651.35, 20,245.68 and 10,665.54 is: 14,737.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,651.35 : 20,245.68 = 10,665.54 : x
  2. Step 2: Convert to fraction form
    14,651.35/20,245.68 = 10,665.54/x
  3. Step 3: Cross multiply
    14,651.35x = 20,245.68 × 10,665.54
  4. Step 4: Simplify right side
    14,651.35x = 215,931,109.87
  5. Step 5: Solve for x
    x = 215,931,109.87/14,651.35
  6. Step 6: Final answer
    x = 14,737.97

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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.