Home / 18,353.09-27,540.57-6,667.22

Finding the Fourth Proportional to 18,353.09, 27,540.57 and 6,667.22

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Solution

The fourth proportional to 18,353.09, 27,540.57 and 6,667.22 is: 10,004.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,353.09 : 27,540.57 = 6,667.22 : x
  2. Step 2: Convert to fraction form
    18,353.09/27,540.57 = 6,667.22/x
  3. Step 3: Cross multiply
    18,353.09x = 27,540.57 × 6,667.22
  4. Step 4: Simplify right side
    18,353.09x = 183,619,039.12
  5. Step 5: Solve for x
    x = 183,619,039.12/18,353.09
  6. Step 6: Final answer
    x = 10,004.80

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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.