Home / 18,186.57-27,271.22-5,871.69

Finding the Fourth Proportional to 18,186.57, 27,271.22 and 5,871.69

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Solution

The fourth proportional to 18,186.57, 27,271.22 and 5,871.69 is: 8,804.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,186.57 : 27,271.22 = 5,871.69 : x
  2. Step 2: Convert to fraction form
    18,186.57/27,271.22 = 5,871.69/x
  3. Step 3: Cross multiply
    18,186.57x = 27,271.22 × 5,871.69
  4. Step 4: Simplify right side
    18,186.57x = 160,128,120.40
  5. Step 5: Solve for x
    x = 160,128,120.40/18,186.57
  6. Step 6: Final answer
    x = 8,804.75

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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.