Home / 13,788.39-19,023.33-8,481.27

Finding the Fourth Proportional to 13,788.39, 19,023.33 and 8,481.27

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Solution

The fourth proportional to 13,788.39, 19,023.33 and 8,481.27 is: 11,701.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,788.39 : 19,023.33 = 8,481.27 : x
  2. Step 2: Convert to fraction form
    13,788.39/19,023.33 = 8,481.27/x
  3. Step 3: Cross multiply
    13,788.39x = 19,023.33 × 8,481.27
  4. Step 4: Simplify right side
    13,788.39x = 161,341,998.03
  5. Step 5: Solve for x
    x = 161,341,998.03/13,788.39
  6. Step 6: Final answer
    x = 11,701.29

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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.