Home / 13,404.22-20,117.26-6,832.28

Finding the Fourth Proportional to 13,404.22, 20,117.26 and 6,832.28

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Solution

The fourth proportional to 13,404.22, 20,117.26 and 6,832.28 is: 10,253.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,404.22 : 20,117.26 = 6,832.28 : x
  2. Step 2: Convert to fraction form
    13,404.22/20,117.26 = 6,832.28/x
  3. Step 3: Cross multiply
    13,404.22x = 20,117.26 × 6,832.28
  4. Step 4: Simplify right side
    13,404.22x = 137,446,753.15
  5. Step 5: Solve for x
    x = 137,446,753.15/13,404.22
  6. Step 6: Final answer
    x = 10,253.99

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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.