Home / 18,271.40-27,390.62-6,576.36

Finding the Fourth Proportional to 18,271.40, 27,390.62 and 6,576.36

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Solution

The fourth proportional to 18,271.40, 27,390.62 and 6,576.36 is: 9,858.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,271.40 : 27,390.62 = 6,576.36 : x
  2. Step 2: Convert to fraction form
    18,271.40/27,390.62 = 6,576.36/x
  3. Step 3: Cross multiply
    18,271.40x = 27,390.62 × 6,576.36
  4. Step 4: Simplify right side
    18,271.40x = 180,130,577.74
  5. Step 5: Solve for x
    x = 180,130,577.74/18,271.40
  6. Step 6: Final answer
    x = 9,858.61

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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.