Home / 18,186.12-27,259.58-8,806.28

Finding the Fourth Proportional to 18,186.12, 27,259.58 and 8,806.28

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Solution

The fourth proportional to 18,186.12, 27,259.58 and 8,806.28 is: 13,199.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,186.12 : 27,259.58 = 8,806.28 : x
  2. Step 2: Convert to fraction form
    18,186.12/27,259.58 = 8,806.28/x
  3. Step 3: Cross multiply
    18,186.12x = 27,259.58 × 8,806.28
  4. Step 4: Simplify right side
    18,186.12x = 240,055,494.16
  5. Step 5: Solve for x
    x = 240,055,494.16/18,186.12
  6. Step 6: Final answer
    x = 13,199.93

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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.