Home / 20,626.56-30,896.64-13,193.19

Finding the Fourth Proportional to 20,626.56, 30,896.64 and 13,193.19

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Solution

The fourth proportional to 20,626.56, 30,896.64 and 13,193.19 is: 19,762.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,626.56 : 30,896.64 = 13,193.19 : x
  2. Step 2: Convert to fraction form
    20,626.56/30,896.64 = 13,193.19/x
  3. Step 3: Cross multiply
    20,626.56x = 30,896.64 × 13,193.19
  4. Step 4: Simplify right side
    20,626.56x = 407,625,241.88
  5. Step 5: Solve for x
    x = 407,625,241.88/20,626.56
  6. Step 6: Final answer
    x = 19,762.15

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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.