Home / 13,596.24-20,372.40-7,757.04

Finding the Fourth Proportional to 13,596.24, 20,372.40 and 7,757.04

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Solution

The fourth proportional to 13,596.24, 20,372.40 and 7,757.04 is: 11,623.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,596.24 : 20,372.40 = 7,757.04 : x
  2. Step 2: Convert to fraction form
    13,596.24/20,372.40 = 7,757.04/x
  3. Step 3: Cross multiply
    13,596.24x = 20,372.40 × 7,757.04
  4. Step 4: Simplify right side
    13,596.24x = 158,029,521.70
  5. Step 5: Solve for x
    x = 158,029,521.70/13,596.24
  6. Step 6: Final answer
    x = 11,623.03

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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.