Home / 20,349.57-30,522.01-5,559.68

Finding the Fourth Proportional to 20,349.57, 30,522.01 and 5,559.68

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Solution

The fourth proportional to 20,349.57, 30,522.01 and 5,559.68 is: 8,338.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,349.57 : 30,522.01 = 5,559.68 : x
  2. Step 2: Convert to fraction form
    20,349.57/30,522.01 = 5,559.68/x
  3. Step 3: Cross multiply
    20,349.57x = 30,522.01 × 5,559.68
  4. Step 4: Simplify right side
    20,349.57x = 169,692,608.56
  5. Step 5: Solve for x
    x = 169,692,608.56/20,349.57
  6. Step 6: Final answer
    x = 8,338.88

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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.