Home / 27,163.22-40,659.58-18,680.22

Finding the Fourth Proportional to 27,163.22, 40,659.58 and 18,680.22

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Solution

The fourth proportional to 27,163.22, 40,659.58 and 18,680.22 is: 27,961.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,163.22 : 40,659.58 = 18,680.22 : x
  2. Step 2: Convert to fraction form
    27,163.22/40,659.58 = 18,680.22/x
  3. Step 3: Cross multiply
    27,163.22x = 40,659.58 × 18,680.22
  4. Step 4: Simplify right side
    27,163.22x = 759,529,899.51
  5. Step 5: Solve for x
    x = 759,529,899.51/27,163.22
  6. Step 6: Final answer
    x = 27,961.70

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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.