Home / 13,321.27-19,980.44-4,772.37

Finding the Fourth Proportional to 13,321.27, 19,980.44 and 4,772.37

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Solution

The fourth proportional to 13,321.27, 19,980.44 and 4,772.37 is: 7,158.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,321.27 : 19,980.44 = 4,772.37 : x
  2. Step 2: Convert to fraction form
    13,321.27/19,980.44 = 4,772.37/x
  3. Step 3: Cross multiply
    13,321.27x = 19,980.44 × 4,772.37
  4. Step 4: Simplify right side
    13,321.27x = 95,354,052.44
  5. Step 5: Solve for x
    x = 95,354,052.44/13,321.27
  6. Step 6: Final answer
    x = 7,158.03

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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.