Home / 18,173.22-27,245.10-5,686.80

Finding the Fourth Proportional to 18,173.22, 27,245.10 and 5,686.80

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Solution

The fourth proportional to 18,173.22, 27,245.10 and 5,686.80 is: 8,525.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,173.22 : 27,245.10 = 5,686.80 : x
  2. Step 2: Convert to fraction form
    18,173.22/27,245.10 = 5,686.80/x
  3. Step 3: Cross multiply
    18,173.22x = 27,245.10 × 5,686.80
  4. Step 4: Simplify right side
    18,173.22x = 154,937,434.68
  5. Step 5: Solve for x
    x = 154,937,434.68/18,173.22
  6. Step 6: Final answer
    x = 8,525.59

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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.