Home / 13,317.02-19,975.53-4,081.82

Finding the Fourth Proportional to 13,317.02, 19,975.53 and 4,081.82

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Solution

The fourth proportional to 13,317.02, 19,975.53 and 4,081.82 is: 6,122.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,317.02 : 19,975.53 = 4,081.82 : x
  2. Step 2: Convert to fraction form
    13,317.02/19,975.53 = 4,081.82/x
  3. Step 3: Cross multiply
    13,317.02x = 19,975.53 × 4,081.82
  4. Step 4: Simplify right side
    13,317.02x = 81,536,517.86
  5. Step 5: Solve for x
    x = 81,536,517.86/13,317.02
  6. Step 6: Final answer
    x = 6,122.73

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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.