Home / 20,226.96-30,343.32-6,372.72

Finding the Fourth Proportional to 20,226.96, 30,343.32 and 6,372.72

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Solution

The fourth proportional to 20,226.96, 30,343.32 and 6,372.72 is: 9,559.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,226.96 : 30,343.32 = 6,372.72 : x
  2. Step 2: Convert to fraction form
    20,226.96/30,343.32 = 6,372.72/x
  3. Step 3: Cross multiply
    20,226.96x = 30,343.32 × 6,372.72
  4. Step 4: Simplify right side
    20,226.96x = 193,369,482.23
  5. Step 5: Solve for x
    x = 193,369,482.23/20,226.96
  6. Step 6: Final answer
    x = 9,559.99

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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.