Home / 19,912.06-27,477.12-11,414.08

Finding the Fourth Proportional to 19,912.06, 27,477.12 and 11,414.08

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Solution

The fourth proportional to 19,912.06, 27,477.12 and 11,414.08 is: 15,750.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,912.06 : 27,477.12 = 11,414.08 : x
  2. Step 2: Convert to fraction form
    19,912.06/27,477.12 = 11,414.08/x
  3. Step 3: Cross multiply
    19,912.06x = 27,477.12 × 11,414.08
  4. Step 4: Simplify right side
    19,912.06x = 313,626,045.85
  5. Step 5: Solve for x
    x = 313,626,045.85/19,912.06
  6. Step 6: Final answer
    x = 15,750.56

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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.