Home / 13,906.35-19,190.52-8,599.77

Finding the Fourth Proportional to 13,906.35, 19,190.52 and 8,599.77

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Solution

The fourth proportional to 13,906.35, 19,190.52 and 8,599.77 is: 11,867.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,906.35 : 19,190.52 = 8,599.77 : x
  2. Step 2: Convert to fraction form
    13,906.35/19,190.52 = 8,599.77/x
  3. Step 3: Cross multiply
    13,906.35x = 19,190.52 × 8,599.77
  4. Step 4: Simplify right side
    13,906.35x = 165,034,058.18
  5. Step 5: Solve for x
    x = 165,034,058.18/13,906.35
  6. Step 6: Final answer
    x = 11,867.53

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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.