Home / 19,268.37-28,904.87-6,785.81

Finding the Fourth Proportional to 19,268.37, 28,904.87 and 6,785.81

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Solution

The fourth proportional to 19,268.37, 28,904.87 and 6,785.81 is: 10,179.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,268.37 : 28,904.87 = 6,785.81 : x
  2. Step 2: Convert to fraction form
    19,268.37/28,904.87 = 6,785.81/x
  3. Step 3: Cross multiply
    19,268.37x = 28,904.87 × 6,785.81
  4. Step 4: Simplify right side
    19,268.37x = 196,142,921.97
  5. Step 5: Solve for x
    x = 196,142,921.97/19,268.37
  6. Step 6: Final answer
    x = 10,179.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.