Home / 13,403.83-18,494.61-8,098.66

Finding the Fourth Proportional to 13,403.83, 18,494.61 and 8,098.66

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Solution

The fourth proportional to 13,403.83, 18,494.61 and 8,098.66 is: 11,174.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,403.83 : 18,494.61 = 8,098.66 : x
  2. Step 2: Convert to fraction form
    13,403.83/18,494.61 = 8,098.66/x
  3. Step 3: Cross multiply
    13,403.83x = 18,494.61 × 8,098.66
  4. Step 4: Simplify right side
    13,403.83x = 149,781,558.22
  5. Step 5: Solve for x
    x = 149,781,558.22/13,403.83
  6. Step 6: Final answer
    x = 11,174.53

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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.