Home / 19,651.56-27,114.93-11,696.55

Finding the Fourth Proportional to 19,651.56, 27,114.93 and 11,696.55

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Solution

The fourth proportional to 19,651.56, 27,114.93 and 11,696.55 is: 16,138.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,651.56 : 27,114.93 = 11,696.55 : x
  2. Step 2: Convert to fraction form
    19,651.56/27,114.93 = 11,696.55/x
  3. Step 3: Cross multiply
    19,651.56x = 27,114.93 × 11,696.55
  4. Step 4: Simplify right side
    19,651.56x = 317,151,134.49
  5. Step 5: Solve for x
    x = 317,151,134.49/19,651.56
  6. Step 6: Final answer
    x = 16,138.73

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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.