Home / 19,636.82-27,100.61-11,141.70

Finding the Fourth Proportional to 19,636.82, 27,100.61 and 11,141.70

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Solution

The fourth proportional to 19,636.82, 27,100.61 and 11,141.70 is: 15,376.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,636.82 : 27,100.61 = 11,141.70 : x
  2. Step 2: Convert to fraction form
    19,636.82/27,100.61 = 11,141.70/x
  3. Step 3: Cross multiply
    19,636.82x = 27,100.61 × 11,141.70
  4. Step 4: Simplify right side
    19,636.82x = 301,946,810.73
  5. Step 5: Solve for x
    x = 301,946,810.73/19,636.82
  6. Step 6: Final answer
    x = 15,376.57

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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.