Home / 18,112.08-27,168.18-4,964.60

Finding the Fourth Proportional to 18,112.08, 27,168.18 and 4,964.60

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Solution

The fourth proportional to 18,112.08, 27,168.18 and 4,964.60 is: 7,446.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,112.08 : 27,168.18 = 4,964.60 : x
  2. Step 2: Convert to fraction form
    18,112.08/27,168.18 = 4,964.60/x
  3. Step 3: Cross multiply
    18,112.08x = 27,168.18 × 4,964.60
  4. Step 4: Simplify right side
    18,112.08x = 134,879,146.43
  5. Step 5: Solve for x
    x = 134,879,146.43/18,112.08
  6. Step 6: Final answer
    x = 7,446.92

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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.