Home / 18,271.74-27,407.04-5,790.02

Finding the Fourth Proportional to 18,271.74, 27,407.04 and 5,790.02

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Solution

The fourth proportional to 18,271.74, 27,407.04 and 5,790.02 is: 8,684.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,271.74 : 27,407.04 = 5,790.02 : x
  2. Step 2: Convert to fraction form
    18,271.74/27,407.04 = 5,790.02/x
  3. Step 3: Cross multiply
    18,271.74x = 27,407.04 × 5,790.02
  4. Step 4: Simplify right side
    18,271.74x = 158,687,309.74
  5. Step 5: Solve for x
    x = 158,687,309.74/18,271.74
  6. Step 6: Final answer
    x = 8,684.85

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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.