Home / 12,141.03-18,171.45-8,576.22

Finding the Fourth Proportional to 12,141.03, 18,171.45 and 8,576.22

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Solution

The fourth proportional to 12,141.03, 18,171.45 and 8,576.22 is: 12,836.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,141.03 : 18,171.45 = 8,576.22 : x
  2. Step 2: Convert to fraction form
    12,141.03/18,171.45 = 8,576.22/x
  3. Step 3: Cross multiply
    12,141.03x = 18,171.45 × 8,576.22
  4. Step 4: Simplify right side
    12,141.03x = 155,842,352.92
  5. Step 5: Solve for x
    x = 155,842,352.92/12,141.03
  6. Step 6: Final answer
    x = 12,836.01

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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.