Home / 14,246.08-21,369.12-3,857.52

Finding the Fourth Proportional to 14,246.08, 21,369.12 and 3,857.52

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Solution

The fourth proportional to 14,246.08, 21,369.12 and 3,857.52 is: 5,786.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,246.08 : 21,369.12 = 3,857.52 : x
  2. Step 2: Convert to fraction form
    14,246.08/21,369.12 = 3,857.52/x
  3. Step 3: Cross multiply
    14,246.08x = 21,369.12 × 3,857.52
  4. Step 4: Simplify right side
    14,246.08x = 82,431,807.78
  5. Step 5: Solve for x
    x = 82,431,807.78/14,246.08
  6. Step 6: Final answer
    x = 5,786.28

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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.