Home / 15,696.03-21,659.94-8,622.03

Finding the Fourth Proportional to 15,696.03, 21,659.94 and 8,622.03

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Solution

The fourth proportional to 15,696.03, 21,659.94 and 8,622.03 is: 11,898.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,696.03 : 21,659.94 = 8,622.03 : x
  2. Step 2: Convert to fraction form
    15,696.03/21,659.94 = 8,622.03/x
  3. Step 3: Cross multiply
    15,696.03x = 21,659.94 × 8,622.03
  4. Step 4: Simplify right side
    15,696.03x = 186,752,652.48
  5. Step 5: Solve for x
    x = 186,752,652.48/15,696.03
  6. Step 6: Final answer
    x = 11,898.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.