Home / 20,536.86-30,818.96-11,179.23

Finding the Fourth Proportional to 20,536.86, 30,818.96 and 11,179.23

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Solution

The fourth proportional to 20,536.86, 30,818.96 and 11,179.23 is: 16,776.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,536.86 : 30,818.96 = 11,179.23 : x
  2. Step 2: Convert to fraction form
    20,536.86/30,818.96 = 11,179.23/x
  3. Step 3: Cross multiply
    20,536.86x = 30,818.96 × 11,179.23
  4. Step 4: Simplify right side
    20,536.86x = 344,532,242.20
  5. Step 5: Solve for x
    x = 344,532,242.20/20,536.86
  6. Step 6: Final answer
    x = 16,776.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.