Home / 19,656.27-27,121.42-11,696.94

Finding the Fourth Proportional to 19,656.27, 27,121.42 and 11,696.94

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Solution

The fourth proportional to 19,656.27, 27,121.42 and 11,696.94 is: 16,139.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,656.27 : 27,121.42 = 11,696.94 : x
  2. Step 2: Convert to fraction form
    19,656.27/27,121.42 = 11,696.94/x
  3. Step 3: Cross multiply
    19,656.27x = 27,121.42 × 11,696.94
  4. Step 4: Simplify right side
    19,656.27x = 317,237,637.08
  5. Step 5: Solve for x
    x = 317,237,637.08/19,656.27
  6. Step 6: Final answer
    x = 16,139.26

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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.