Home / 17,802.66-26,697.60-5,320.36

Finding the Fourth Proportional to 17,802.66, 26,697.60 and 5,320.36

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Solution

The fourth proportional to 17,802.66, 26,697.60 and 5,320.36 is: 7,978.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,802.66 : 26,697.60 = 5,320.36 : x
  2. Step 2: Convert to fraction form
    17,802.66/26,697.60 = 5,320.36/x
  3. Step 3: Cross multiply
    17,802.66x = 26,697.60 × 5,320.36
  4. Step 4: Simplify right side
    17,802.66x = 142,040,843.14
  5. Step 5: Solve for x
    x = 142,040,843.14/17,802.66
  6. Step 6: Final answer
    x = 7,978.63

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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.