Home / 19,768.66-27,271.32-12,212.26

Finding the Fourth Proportional to 19,768.66, 27,271.32 and 12,212.26

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Solution

The fourth proportional to 19,768.66, 27,271.32 and 12,212.26 is: 16,847.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,768.66 : 27,271.32 = 12,212.26 : x
  2. Step 2: Convert to fraction form
    19,768.66/27,271.32 = 12,212.26/x
  3. Step 3: Cross multiply
    19,768.66x = 27,271.32 × 12,212.26
  4. Step 4: Simplify right side
    19,768.66x = 333,044,450.38
  5. Step 5: Solve for x
    x = 333,044,450.38/19,768.66
  6. Step 6: Final answer
    x = 16,847.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.