Home / 20,051.82-27,668.94-11,098.08

Finding the Fourth Proportional to 20,051.82, 27,668.94 and 11,098.08

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Solution

The fourth proportional to 20,051.82, 27,668.94 and 11,098.08 is: 15,313.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,051.82 : 27,668.94 = 11,098.08 : x
  2. Step 2: Convert to fraction form
    20,051.82/27,668.94 = 11,098.08/x
  3. Step 3: Cross multiply
    20,051.82x = 27,668.94 × 11,098.08
  4. Step 4: Simplify right side
    20,051.82x = 307,072,109.64
  5. Step 5: Solve for x
    x = 307,072,109.64/20,051.82
  6. Step 6: Final answer
    x = 15,313.93

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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.