Home / 13,403.11-18,493.62-8,098.22

Finding the Fourth Proportional to 13,403.11, 18,493.62 and 8,098.22

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Solution

The fourth proportional to 13,403.11, 18,493.62 and 8,098.22 is: 11,173.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,403.11 : 18,493.62 = 8,098.22 : x
  2. Step 2: Convert to fraction form
    13,403.11/18,493.62 = 8,098.22/x
  3. Step 3: Cross multiply
    13,403.11x = 18,493.62 × 8,098.22
  4. Step 4: Simplify right side
    13,403.11x = 149,765,403.36
  5. Step 5: Solve for x
    x = 149,765,403.36/13,403.11
  6. Step 6: Final answer
    x = 11,173.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.