Home / 14,238.09-21,358.22-3,849.75

Finding the Fourth Proportional to 14,238.09, 21,358.22 and 3,849.75

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Solution

The fourth proportional to 14,238.09, 21,358.22 and 3,849.75 is: 5,774.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,238.09 : 21,358.22 = 3,849.75 : x
  2. Step 2: Convert to fraction form
    14,238.09/21,358.22 = 3,849.75/x
  3. Step 3: Cross multiply
    14,238.09x = 21,358.22 × 3,849.75
  4. Step 4: Simplify right side
    14,238.09x = 82,223,788.20
  5. Step 5: Solve for x
    x = 82,223,788.20/14,238.09
  6. Step 6: Final answer
    x = 5,774.92

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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.