Home / 15,836.18-21,826.46-11,580.03

Finding the Fourth Proportional to 15,836.18, 21,826.46 and 11,580.03

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Solution

The fourth proportional to 15,836.18, 21,826.46 and 11,580.03 is: 15,960.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,836.18 : 21,826.46 = 11,580.03 : x
  2. Step 2: Convert to fraction form
    15,836.18/21,826.46 = 11,580.03/x
  3. Step 3: Cross multiply
    15,836.18x = 21,826.46 × 11,580.03
  4. Step 4: Simplify right side
    15,836.18x = 252,751,090.54
  5. Step 5: Solve for x
    x = 252,751,090.54/15,836.18
  6. Step 6: Final answer
    x = 15,960.36

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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.