Home / 18,623.21-27,935.12-4,583.28

Finding the Fourth Proportional to 18,623.21, 27,935.12 and 4,583.28

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Solution

The fourth proportional to 18,623.21, 27,935.12 and 4,583.28 is: 6,874.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,623.21 : 27,935.12 = 4,583.28 : x
  2. Step 2: Convert to fraction form
    18,623.21/27,935.12 = 4,583.28/x
  3. Step 3: Cross multiply
    18,623.21x = 27,935.12 × 4,583.28
  4. Step 4: Simplify right side
    18,623.21x = 128,034,488.25
  5. Step 5: Solve for x
    x = 128,034,488.25/18,623.21
  6. Step 6: Final answer
    x = 6,874.99

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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.