Home / 19,317.94-28,989.90-6,837.92

Finding the Fourth Proportional to 19,317.94, 28,989.90 and 6,837.92

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Solution

The fourth proportional to 19,317.94, 28,989.90 and 6,837.92 is: 10,261.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,317.94 : 28,989.90 = 6,837.92 : x
  2. Step 2: Convert to fraction form
    19,317.94/28,989.90 = 6,837.92/x
  3. Step 3: Cross multiply
    19,317.94x = 28,989.90 × 6,837.92
  4. Step 4: Simplify right side
    19,317.94x = 198,230,617.01
  5. Step 5: Solve for x
    x = 198,230,617.01/19,317.94
  6. Step 6: Final answer
    x = 10,261.48

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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.