Home / 13,553.10-20,325.96-4,786.92

Finding the Fourth Proportional to 13,553.10, 20,325.96 and 4,786.92

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Solution

The fourth proportional to 13,553.10, 20,325.96 and 4,786.92 is: 7,179.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,553.10 : 20,325.96 = 4,786.92 : x
  2. Step 2: Convert to fraction form
    13,553.10/20,325.96 = 4,786.92/x
  3. Step 3: Cross multiply
    13,553.10x = 20,325.96 × 4,786.92
  4. Step 4: Simplify right side
    13,553.10x = 97,298,744.44
  5. Step 5: Solve for x
    x = 97,298,744.44/13,553.10
  6. Step 6: Final answer
    x = 7,179.08

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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.