Home / 13,424.42-18,522.01-8,396.03

Finding the Fourth Proportional to 13,424.42, 18,522.01 and 8,396.03

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Solution

The fourth proportional to 13,424.42, 18,522.01 and 8,396.03 is: 11,584.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,424.42 : 18,522.01 = 8,396.03 : x
  2. Step 2: Convert to fraction form
    13,424.42/18,522.01 = 8,396.03/x
  3. Step 3: Cross multiply
    13,424.42x = 18,522.01 × 8,396.03
  4. Step 4: Simplify right side
    13,424.42x = 155,511,350.42
  5. Step 5: Solve for x
    x = 155,511,350.42/13,424.42
  6. Step 6: Final answer
    x = 11,584.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.