Home / 18,072.63-27,099.85-7,539.92

Finding the Fourth Proportional to 18,072.63, 27,099.85 and 7,539.92

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Solution

The fourth proportional to 18,072.63, 27,099.85 and 7,539.92 is: 11,306.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,072.63 : 27,099.85 = 7,539.92 : x
  2. Step 2: Convert to fraction form
    18,072.63/27,099.85 = 7,539.92/x
  3. Step 3: Cross multiply
    18,072.63x = 27,099.85 × 7,539.92
  4. Step 4: Simplify right side
    18,072.63x = 204,330,701.01
  5. Step 5: Solve for x
    x = 204,330,701.01/18,072.63
  6. Step 6: Final answer
    x = 11,306.09

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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.