Home / 12,047.72-18,069.54-3,282.65

Finding the Fourth Proportional to 12,047.72, 18,069.54 and 3,282.65

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Solution

The fourth proportional to 12,047.72, 18,069.54 and 3,282.65 is: 4,923.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,047.72 : 18,069.54 = 3,282.65 : x
  2. Step 2: Convert to fraction form
    12,047.72/18,069.54 = 3,282.65/x
  3. Step 3: Cross multiply
    12,047.72x = 18,069.54 × 3,282.65
  4. Step 4: Simplify right side
    12,047.72x = 59,315,885.13
  5. Step 5: Solve for x
    x = 59,315,885.13/12,047.72
  6. Step 6: Final answer
    x = 4,923.41

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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.