Home / 18,436.82-27,646.59-6,741.86

Finding the Fourth Proportional to 18,436.82, 27,646.59 and 6,741.86

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Solution

The fourth proportional to 18,436.82, 27,646.59 and 6,741.86 is: 10,109.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,436.82 : 27,646.59 = 6,741.86 : x
  2. Step 2: Convert to fraction form
    18,436.82/27,646.59 = 6,741.86/x
  3. Step 3: Cross multiply
    18,436.82x = 27,646.59 × 6,741.86
  4. Step 4: Simplify right side
    18,436.82x = 186,389,439.26
  5. Step 5: Solve for x
    x = 186,389,439.26/18,436.82
  6. Step 6: Final answer
    x = 10,109.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.