Home / 36,783.72-55,183.75-13,410.16

Finding the Fourth Proportional to 36,783.72, 55,183.75 and 13,410.16

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Solution

The fourth proportional to 36,783.72, 55,183.75 and 13,410.16 is: 20,118.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,783.72 : 55,183.75 = 13,410.16 : x
  2. Step 2: Convert to fraction form
    36,783.72/55,183.75 = 13,410.16/x
  3. Step 3: Cross multiply
    36,783.72x = 55,183.75 × 13,410.16
  4. Step 4: Simplify right side
    36,783.72x = 740,022,745.42
  5. Step 5: Solve for x
    x = 740,022,745.42/36,783.72
  6. Step 6: Final answer
    x = 20,118.21

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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.