Home / 18,240.58-27,347.20-7,722.93

Finding the Fourth Proportional to 18,240.58, 27,347.20 and 7,722.93

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Solution

The fourth proportional to 18,240.58, 27,347.20 and 7,722.93 is: 11,578.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,240.58 : 27,347.20 = 7,722.93 : x
  2. Step 2: Convert to fraction form
    18,240.58/27,347.20 = 7,722.93/x
  3. Step 3: Cross multiply
    18,240.58x = 27,347.20 × 7,722.93
  4. Step 4: Simplify right side
    18,240.58x = 211,200,511.30
  5. Step 5: Solve for x
    x = 211,200,511.30/18,240.58
  6. Step 6: Final answer
    x = 11,578.61

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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.