Home / 18,623.10-27,925.83-6,768.60

Finding the Fourth Proportional to 18,623.10, 27,925.83 and 6,768.60

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Solution

The fourth proportional to 18,623.10, 27,925.83 and 6,768.60 is: 10,149.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,623.10 : 27,925.83 = 6,768.60 : x
  2. Step 2: Convert to fraction form
    18,623.10/27,925.83 = 6,768.60/x
  3. Step 3: Cross multiply
    18,623.10x = 27,925.83 × 6,768.60
  4. Step 4: Simplify right side
    18,623.10x = 189,018,772.94
  5. Step 5: Solve for x
    x = 189,018,772.94/18,623.10
  6. Step 6: Final answer
    x = 10,149.69

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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.