Home / 13,568.45-20,355.58-4,208.27

Finding the Fourth Proportional to 13,568.45, 20,355.58 and 4,208.27

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Solution

The fourth proportional to 13,568.45, 20,355.58 and 4,208.27 is: 6,313.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,568.45 : 20,355.58 = 4,208.27 : x
  2. Step 2: Convert to fraction form
    13,568.45/20,355.58 = 4,208.27/x
  3. Step 3: Cross multiply
    13,568.45x = 20,355.58 × 4,208.27
  4. Step 4: Simplify right side
    13,568.45x = 85,661,674.87
  5. Step 5: Solve for x
    x = 85,661,674.87/13,568.45
  6. Step 6: Final answer
    x = 6,313.30

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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.