Home / 18,623.45-27,952.73-6,788.66

Finding the Fourth Proportional to 18,623.45, 27,952.73 and 6,788.66

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Solution

The fourth proportional to 18,623.45, 27,952.73 and 6,788.66 is: 10,189.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,623.45 : 27,952.73 = 6,788.66 : x
  2. Step 2: Convert to fraction form
    18,623.45/27,952.73 = 6,788.66/x
  3. Step 3: Cross multiply
    18,623.45x = 27,952.73 × 6,788.66
  4. Step 4: Simplify right side
    18,623.45x = 189,761,589.03
  5. Step 5: Solve for x
    x = 189,761,589.03/18,623.45
  6. Step 6: Final answer
    x = 10,189.39

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1.5x scale

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.