Home / 17,619.89-26,394.53-12,059.64

Finding the Fourth Proportional to 17,619.89, 26,394.53 and 12,059.64

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Solution

The fourth proportional to 17,619.89, 26,394.53 and 12,059.64 is: 18,065.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,619.89 : 26,394.53 = 12,059.64 : x
  2. Step 2: Convert to fraction form
    17,619.89/26,394.53 = 12,059.64/x
  3. Step 3: Cross multiply
    17,619.89x = 26,394.53 × 12,059.64
  4. Step 4: Simplify right side
    17,619.89x = 318,308,469.47
  5. Step 5: Solve for x
    x = 318,308,469.47/17,619.89
  6. Step 6: Final answer
    x = 18,065.30

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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.