Home / 18,282.49-27,427.07-5,805.65

Finding the Fourth Proportional to 18,282.49, 27,427.07 and 5,805.65

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Solution

The fourth proportional to 18,282.49, 27,427.07 and 5,805.65 is: 8,709.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,282.49 : 27,427.07 = 5,805.65 : x
  2. Step 2: Convert to fraction form
    18,282.49/27,427.07 = 5,805.65/x
  3. Step 3: Cross multiply
    18,282.49x = 27,427.07 × 5,805.65
  4. Step 4: Simplify right side
    18,282.49x = 159,232,052.03
  5. Step 5: Solve for x
    x = 159,232,052.03/18,282.49
  6. Step 6: Final answer
    x = 8,709.54

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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.