Home / 13,455.10-20,183.66-3,594.16

Finding the Fourth Proportional to 13,455.10, 20,183.66 and 3,594.16

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Solution

The fourth proportional to 13,455.10, 20,183.66 and 3,594.16 is: 5,391.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,455.10 : 20,183.66 = 3,594.16 : x
  2. Step 2: Convert to fraction form
    13,455.10/20,183.66 = 3,594.16/x
  3. Step 3: Cross multiply
    13,455.10x = 20,183.66 × 3,594.16
  4. Step 4: Simplify right side
    13,455.10x = 72,543,303.43
  5. Step 5: Solve for x
    x = 72,543,303.43/13,455.10
  6. Step 6: Final answer
    x = 5,391.51

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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.