Home / 18,501.04-27,736.36-8,635.44

Finding the Fourth Proportional to 18,501.04, 27,736.36 and 8,635.44

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Solution

The fourth proportional to 18,501.04, 27,736.36 and 8,635.44 is: 12,946.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,501.04 : 27,736.36 = 8,635.44 : x
  2. Step 2: Convert to fraction form
    18,501.04/27,736.36 = 8,635.44/x
  3. Step 3: Cross multiply
    18,501.04x = 27,736.36 × 8,635.44
  4. Step 4: Simplify right side
    18,501.04x = 239,515,672.60
  5. Step 5: Solve for x
    x = 239,515,672.60/18,501.04
  6. Step 6: Final answer
    x = 12,946.07

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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.