Home / 18,944.06-28,436.86-7,858.52

Finding the Fourth Proportional to 18,944.06, 28,436.86 and 7,858.52

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Solution

The fourth proportional to 18,944.06, 28,436.86 and 7,858.52 is: 11,796.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,944.06 : 28,436.86 = 7,858.52 : x
  2. Step 2: Convert to fraction form
    18,944.06/28,436.86 = 7,858.52/x
  3. Step 3: Cross multiply
    18,944.06x = 28,436.86 × 7,858.52
  4. Step 4: Simplify right side
    18,944.06x = 223,471,633.05
  5. Step 5: Solve for x
    x = 223,471,633.05/18,944.06
  6. Step 6: Final answer
    x = 11,796.40

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1.5x scale

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.