Home / 13,553.30-20,341.62-9,396.22

Finding the Fourth Proportional to 13,553.30, 20,341.62 and 9,396.22

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Solution

The fourth proportional to 13,553.30, 20,341.62 and 9,396.22 is: 14,102.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,553.30 : 20,341.62 = 9,396.22 : x
  2. Step 2: Convert to fraction form
    13,553.30/20,341.62 = 9,396.22/x
  3. Step 3: Cross multiply
    13,553.30x = 20,341.62 × 9,396.22
  4. Step 4: Simplify right side
    13,553.30x = 191,134,336.68
  5. Step 5: Solve for x
    x = 191,134,336.68/13,553.30
  6. Step 6: Final answer
    x = 14,102.42

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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.