Home / 19,696.34-27,180.33-11,199.39

Finding the Fourth Proportional to 19,696.34, 27,180.33 and 11,199.39

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Solution

The fourth proportional to 19,696.34, 27,180.33 and 11,199.39 is: 15,454.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,696.34 : 27,180.33 = 11,199.39 : x
  2. Step 2: Convert to fraction form
    19,696.34/27,180.33 = 11,199.39/x
  3. Step 3: Cross multiply
    19,696.34x = 27,180.33 × 11,199.39
  4. Step 4: Simplify right side
    19,696.34x = 304,403,143.01
  5. Step 5: Solve for x
    x = 304,403,143.01/19,696.34
  6. Step 6: Final answer
    x = 15,454.81

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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.