Home / 20,404.56-30,578.10-16,226.03

Finding the Fourth Proportional to 20,404.56, 30,578.10 and 16,226.03

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Solution

The fourth proportional to 20,404.56, 30,578.10 and 16,226.03 is: 24,316.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,404.56 : 30,578.10 = 16,226.03 : x
  2. Step 2: Convert to fraction form
    20,404.56/30,578.10 = 16,226.03/x
  3. Step 3: Cross multiply
    20,404.56x = 30,578.10 × 16,226.03
  4. Step 4: Simplify right side
    20,404.56x = 496,161,167.94
  5. Step 5: Solve for x
    x = 496,161,167.94/20,404.56
  6. Step 6: Final answer
    x = 24,316.19

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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.