Home / 19,219.77-26,525.79-11,268.81

Finding the Fourth Proportional to 19,219.77, 26,525.79 and 11,268.81

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Solution

The fourth proportional to 19,219.77, 26,525.79 and 11,268.81 is: 15,552.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,219.77 : 26,525.79 = 11,268.81 : x
  2. Step 2: Convert to fraction form
    19,219.77/26,525.79 = 11,268.81/x
  3. Step 3: Cross multiply
    19,219.77x = 26,525.79 × 11,268.81
  4. Step 4: Simplify right side
    19,219.77x = 298,914,087.61
  5. Step 5: Solve for x
    x = 298,914,087.61/19,219.77
  6. Step 6: Final answer
    x = 15,552.43

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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.