Home / 19,163.26-26,447.93-11,205.51

Finding the Fourth Proportional to 19,163.26, 26,447.93 and 11,205.51

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Solution

The fourth proportional to 19,163.26, 26,447.93 and 11,205.51 is: 15,465.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,163.26 : 26,447.93 = 11,205.51 : x
  2. Step 2: Convert to fraction form
    19,163.26/26,447.93 = 11,205.51/x
  3. Step 3: Cross multiply
    19,163.26x = 26,447.93 × 11,205.51
  4. Step 4: Simplify right side
    19,163.26x = 296,362,544.09
  5. Step 5: Solve for x
    x = 296,362,544.09/19,163.26
  6. Step 6: Final answer
    x = 15,465.14

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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.