Home / 19,135.44-28,705.32-8,040.06

Finding the Fourth Proportional to 19,135.44, 28,705.32 and 8,040.06

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Solution

The fourth proportional to 19,135.44, 28,705.32 and 8,040.06 is: 12,061.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,135.44 : 28,705.32 = 8,040.06 : x
  2. Step 2: Convert to fraction form
    19,135.44/28,705.32 = 8,040.06/x
  3. Step 3: Cross multiply
    19,135.44x = 28,705.32 × 8,040.06
  4. Step 4: Simplify right side
    19,135.44x = 230,792,495.12
  5. Step 5: Solve for x
    x = 230,792,495.12/19,135.44
  6. Step 6: Final answer
    x = 12,061.00

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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.