Home / 14,619.60-21,933.04-4,231.36

Finding the Fourth Proportional to 14,619.60, 21,933.04 and 4,231.36

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Solution

The fourth proportional to 14,619.60, 21,933.04 and 4,231.36 is: 6,348.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,619.60 : 21,933.04 = 4,231.36 : x
  2. Step 2: Convert to fraction form
    14,619.60/21,933.04 = 4,231.36/x
  3. Step 3: Cross multiply
    14,619.60x = 21,933.04 × 4,231.36
  4. Step 4: Simplify right side
    14,619.60x = 92,806,588.13
  5. Step 5: Solve for x
    x = 92,806,588.13/14,619.60
  6. Step 6: Final answer
    x = 6,348.09

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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.