Home / 36,782.64-55,173.88-13,399.52

Finding the Fourth Proportional to 36,782.64, 55,173.88 and 13,399.52

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Solution

The fourth proportional to 36,782.64, 55,173.88 and 13,399.52 is: 20,099.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,782.64 : 55,173.88 = 13,399.52 : x
  2. Step 2: Convert to fraction form
    36,782.64/55,173.88 = 13,399.52/x
  3. Step 3: Cross multiply
    36,782.64x = 55,173.88 × 13,399.52
  4. Step 4: Simplify right side
    36,782.64x = 739,303,508.54
  5. Step 5: Solve for x
    x = 739,303,508.54/36,782.64
  6. Step 6: Final answer
    x = 20,099.25

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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.