Home / 13,753.90-20,631.99-4,395.25

Finding the Fourth Proportional to 13,753.90, 20,631.99 and 4,395.25

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Solution

The fourth proportional to 13,753.90, 20,631.99 and 4,395.25 is: 6,593.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,753.90 : 20,631.99 = 4,395.25 : x
  2. Step 2: Convert to fraction form
    13,753.90/20,631.99 = 4,395.25/x
  3. Step 3: Cross multiply
    13,753.90x = 20,631.99 × 4,395.25
  4. Step 4: Simplify right side
    13,753.90x = 90,682,650.89
  5. Step 5: Solve for x
    x = 90,682,650.89/13,753.90
  6. Step 6: Final answer
    x = 6,593.23

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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.