Home / 18,491.16-27,740.46-6,804.12

Finding the Fourth Proportional to 18,491.16, 27,740.46 and 6,804.12

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Solution

The fourth proportional to 18,491.16, 27,740.46 and 6,804.12 is: 10,207.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,491.16 : 27,740.46 = 6,804.12 : x
  2. Step 2: Convert to fraction form
    18,491.16/27,740.46 = 6,804.12/x
  3. Step 3: Cross multiply
    18,491.16x = 27,740.46 × 6,804.12
  4. Step 4: Simplify right side
    18,491.16x = 188,749,418.70
  5. Step 5: Solve for x
    x = 188,749,418.70/18,491.16
  6. Step 6: Final answer
    x = 10,207.55

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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.