Home / 13,650.03-20,452.86-5,320.62

Finding the Fourth Proportional to 13,650.03, 20,452.86 and 5,320.62

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Solution

The fourth proportional to 13,650.03, 20,452.86 and 5,320.62 is: 7,972.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,650.03 : 20,452.86 = 5,320.62 : x
  2. Step 2: Convert to fraction form
    13,650.03/20,452.86 = 5,320.62/x
  3. Step 3: Cross multiply
    13,650.03x = 20,452.86 × 5,320.62
  4. Step 4: Simplify right side
    13,650.03x = 108,821,895.97
  5. Step 5: Solve for x
    x = 108,821,895.97/13,650.03
  6. Step 6: Final answer
    x = 7,972.28

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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.