Home / 18,108.95-27,171.23-9,794.82

Finding the Fourth Proportional to 18,108.95, 27,171.23 and 9,794.82

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Solution

The fourth proportional to 18,108.95, 27,171.23 and 9,794.82 is: 14,696.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,108.95 : 27,171.23 = 9,794.82 : x
  2. Step 2: Convert to fraction form
    18,108.95/27,171.23 = 9,794.82/x
  3. Step 3: Cross multiply
    18,108.95x = 27,171.23 × 9,794.82
  4. Step 4: Simplify right side
    18,108.95x = 266,137,258.05
  5. Step 5: Solve for x
    x = 266,137,258.05/18,108.95
  6. Step 6: Final answer
    x = 14,696.45

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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.