Home / 17,718.93-26,578.31-4,571.28

Finding the Fourth Proportional to 17,718.93, 26,578.31 and 4,571.28

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Solution

The fourth proportional to 17,718.93, 26,578.31 and 4,571.28 is: 6,856.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,718.93 : 26,578.31 = 4,571.28 : x
  2. Step 2: Convert to fraction form
    17,718.93/26,578.31 = 4,571.28/x
  3. Step 3: Cross multiply
    17,718.93x = 26,578.31 × 4,571.28
  4. Step 4: Simplify right side
    17,718.93x = 121,496,874.08
  5. Step 5: Solve for x
    x = 121,496,874.08/17,718.93
  6. Step 6: Final answer
    x = 6,856.90

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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.