Home / 19,579.82-27,020.18-11,196.32

Finding the Fourth Proportional to 19,579.82, 27,020.18 and 11,196.32

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Solution

The fourth proportional to 19,579.82, 27,020.18 and 11,196.32 is: 15,450.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,579.82 : 27,020.18 = 11,196.32 : x
  2. Step 2: Convert to fraction form
    19,579.82/27,020.18 = 11,196.32/x
  3. Step 3: Cross multiply
    19,579.82x = 27,020.18 × 11,196.32
  4. Step 4: Simplify right side
    19,579.82x = 302,526,390.66
  5. Step 5: Solve for x
    x = 302,526,390.66/19,579.82
  6. Step 6: Final answer
    x = 15,450.93

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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.