Home / 18,943.44-28,415.52-6,466.32

Finding the Fourth Proportional to 18,943.44, 28,415.52 and 6,466.32

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Solution

The fourth proportional to 18,943.44, 28,415.52 and 6,466.32 is: 9,699.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,943.44 : 28,415.52 = 6,466.32 : x
  2. Step 2: Convert to fraction form
    18,943.44/28,415.52 = 6,466.32/x
  3. Step 3: Cross multiply
    18,943.44x = 28,415.52 × 6,466.32
  4. Step 4: Simplify right side
    18,943.44x = 183,743,845.29
  5. Step 5: Solve for x
    x = 183,743,845.29/18,943.44
  6. Step 6: Final answer
    x = 9,699.60

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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.