Home / 13,914.09-19,203.41-8,610.62

Finding the Fourth Proportional to 13,914.09, 19,203.41 and 8,610.62

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Solution

The fourth proportional to 13,914.09, 19,203.41 and 8,610.62 is: 11,883.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,914.09 : 19,203.41 = 8,610.62 : x
  2. Step 2: Convert to fraction form
    13,914.09/19,203.41 = 8,610.62/x
  3. Step 3: Cross multiply
    13,914.09x = 19,203.41 × 8,610.62
  4. Step 4: Simplify right side
    13,914.09x = 165,353,191.72
  5. Step 5: Solve for x
    x = 165,353,191.72/13,914.09
  6. Step 6: Final answer
    x = 11,883.87

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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.