Home / 18,475.69-27,724.57-6,790.09

Finding the Fourth Proportional to 18,475.69, 27,724.57 and 6,790.09

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Solution

The fourth proportional to 18,475.69, 27,724.57 and 6,790.09 is: 10,189.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,475.69 : 27,724.57 = 6,790.09 : x
  2. Step 2: Convert to fraction form
    18,475.69/27,724.57 = 6,790.09/x
  3. Step 3: Cross multiply
    18,475.69x = 27,724.57 × 6,790.09
  4. Step 4: Simplify right side
    18,475.69x = 188,252,325.51
  5. Step 5: Solve for x
    x = 188,252,325.51/18,475.69
  6. Step 6: Final answer
    x = 10,189.19

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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.