Home / 18,647.62-27,967.37-6,164.68

Finding the Fourth Proportional to 18,647.62, 27,967.37 and 6,164.68

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Solution

The fourth proportional to 18,647.62, 27,967.37 and 6,164.68 is: 9,245.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,647.62 : 27,967.37 = 6,164.68 : x
  2. Step 2: Convert to fraction form
    18,647.62/27,967.37 = 6,164.68/x
  3. Step 3: Cross multiply
    18,647.62x = 27,967.37 × 6,164.68
  4. Step 4: Simplify right side
    18,647.62x = 172,409,886.49
  5. Step 5: Solve for x
    x = 172,409,886.49/18,647.62
  6. Step 6: Final answer
    x = 9,245.68

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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.