Home / 13,282.42-19,922.82-5,491.03

Finding the Fourth Proportional to 13,282.42, 19,922.82 and 5,491.03

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Solution

The fourth proportional to 13,282.42, 19,922.82 and 5,491.03 is: 8,236.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,282.42 : 19,922.82 = 5,491.03 : x
  2. Step 2: Convert to fraction form
    13,282.42/19,922.82 = 5,491.03/x
  3. Step 3: Cross multiply
    13,282.42x = 19,922.82 × 5,491.03
  4. Step 4: Simplify right side
    13,282.42x = 109,396,802.30
  5. Step 5: Solve for x
    x = 109,396,802.30/13,282.42
  6. Step 6: Final answer
    x = 8,236.21

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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.