Home / 18,118.67-27,173.07-4,967.91

Finding the Fourth Proportional to 18,118.67, 27,173.07 and 4,967.91

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Solution

The fourth proportional to 18,118.67, 27,173.07 and 4,967.91 is: 7,450.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,118.67 : 27,173.07 = 4,967.91 : x
  2. Step 2: Convert to fraction form
    18,118.67/27,173.07 = 4,967.91/x
  3. Step 3: Cross multiply
    18,118.67x = 27,173.07 × 4,967.91
  4. Step 4: Simplify right side
    18,118.67x = 134,993,366.18
  5. Step 5: Solve for x
    x = 134,993,366.18/18,118.67
  6. Step 6: Final answer
    x = 7,450.51

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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.