Home / 13,866.64-20,786.84-4,626

Finding the Fourth Proportional to 13,866.64, 20,786.84 and 4,626

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Solution

The fourth proportional to 13,866.64, 20,786.84 and 4,626 is: 6,934.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,866.64 : 20,786.84 = 4,626 : x
  2. Step 2: Convert to fraction form
    13,866.64/20,786.84 = 4,626/x
  3. Step 3: Cross multiply
    13,866.64x = 20,786.84 × 4,626
  4. Step 4: Simplify right side
    13,866.64x = 96,159,921.84
  5. Step 5: Solve for x
    x = 96,159,921.84/13,866.64
  6. Step 6: Final answer
    x = 6,934.62

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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.