Home / 17,825.49-26,739.72-5,978.70

Finding the Fourth Proportional to 17,825.49, 26,739.72 and 5,978.70

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Solution

The fourth proportional to 17,825.49, 26,739.72 and 5,978.70 is: 8,968.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,825.49 : 26,739.72 = 5,978.70 : x
  2. Step 2: Convert to fraction form
    17,825.49/26,739.72 = 5,978.70/x
  3. Step 3: Cross multiply
    17,825.49x = 26,739.72 × 5,978.70
  4. Step 4: Simplify right side
    17,825.49x = 159,868,763.96
  5. Step 5: Solve for x
    x = 159,868,763.96/17,825.49
  6. Step 6: Final answer
    x = 8,968.55

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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.