Home / 20,176.11-30,226.01-11,417.31

Finding the Fourth Proportional to 20,176.11, 30,226.01 and 11,417.31

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Solution

The fourth proportional to 20,176.11, 30,226.01 and 11,417.31 is: 17,104.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,176.11 : 30,226.01 = 11,417.31 : x
  2. Step 2: Convert to fraction form
    20,176.11/30,226.01 = 11,417.31/x
  3. Step 3: Cross multiply
    20,176.11x = 30,226.01 × 11,417.31
  4. Step 4: Simplify right side
    20,176.11x = 345,099,669.15
  5. Step 5: Solve for x
    x = 345,099,669.15/20,176.11
  6. Step 6: Final answer
    x = 17,104.37

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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.