Home / 18,591.19-27,884.75-5,443.69

Finding the Fourth Proportional to 18,591.19, 27,884.75 and 5,443.69

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Solution

The fourth proportional to 18,591.19, 27,884.75 and 5,443.69 is: 8,164.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,591.19 : 27,884.75 = 5,443.69 : x
  2. Step 2: Convert to fraction form
    18,591.19/27,884.75 = 5,443.69/x
  3. Step 3: Cross multiply
    18,591.19x = 27,884.75 × 5,443.69
  4. Step 4: Simplify right side
    18,591.19x = 151,795,907.51
  5. Step 5: Solve for x
    x = 151,795,907.51/18,591.19
  6. Step 6: Final answer
    x = 8,164.94

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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.