Home / 27,166.14-40,740.92-18,786.51

Finding the Fourth Proportional to 27,166.14, 40,740.92 and 18,786.51

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Solution

The fourth proportional to 27,166.14, 40,740.92 and 18,786.51 is: 28,174.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,166.14 : 40,740.92 = 18,786.51 : x
  2. Step 2: Convert to fraction form
    27,166.14/40,740.92 = 18,786.51/x
  3. Step 3: Cross multiply
    27,166.14x = 40,740.92 × 18,786.51
  4. Step 4: Simplify right side
    27,166.14x = 765,379,607.06
  5. Step 5: Solve for x
    x = 765,379,607.06/27,166.14
  6. Step 6: Final answer
    x = 28,174.03

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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.