Home / 19,696.36-27,180.30-11,734.45

Finding the Fourth Proportional to 19,696.36, 27,180.30 and 11,734.45

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Solution

The fourth proportional to 19,696.36, 27,180.30 and 11,734.45 is: 16,193.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,696.36 : 27,180.30 = 11,734.45 : x
  2. Step 2: Convert to fraction form
    19,696.36/27,180.30 = 11,734.45/x
  3. Step 3: Cross multiply
    19,696.36x = 27,180.30 × 11,734.45
  4. Step 4: Simplify right side
    19,696.36x = 318,945,871.34
  5. Step 5: Solve for x
    x = 318,945,871.34/19,696.36
  6. Step 6: Final answer
    x = 16,193.14

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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.