Home / 13,553.38-20,325.92-4,786.24

Finding the Fourth Proportional to 13,553.38, 20,325.92 and 4,786.24

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Solution

The fourth proportional to 13,553.38, 20,325.92 and 4,786.24 is: 7,177.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,553.38 : 20,325.92 = 4,786.24 : x
  2. Step 2: Convert to fraction form
    13,553.38/20,325.92 = 4,786.24/x
  3. Step 3: Cross multiply
    13,553.38x = 20,325.92 × 4,786.24
  4. Step 4: Simplify right side
    13,553.38x = 97,284,731.34
  5. Step 5: Solve for x
    x = 97,284,731.34/13,553.38
  6. Step 6: Final answer
    x = 7,177.89

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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.