Home / 13,334.75-20,005.37-4,100.75

Finding the Fourth Proportional to 13,334.75, 20,005.37 and 4,100.75

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Solution

The fourth proportional to 13,334.75, 20,005.37 and 4,100.75 is: 6,152.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,334.75 : 20,005.37 = 4,100.75 : x
  2. Step 2: Convert to fraction form
    13,334.75/20,005.37 = 4,100.75/x
  3. Step 3: Cross multiply
    13,334.75x = 20,005.37 × 4,100.75
  4. Step 4: Simplify right side
    13,334.75x = 82,037,021.03
  5. Step 5: Solve for x
    x = 82,037,021.03/13,334.75
  6. Step 6: Final answer
    x = 6,152.12

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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.