Home / 19,837.86-29,756.82-5,986.86

Finding the Fourth Proportional to 19,837.86, 29,756.82 and 5,986.86

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Solution

The fourth proportional to 19,837.86, 29,756.82 and 5,986.86 is: 8,980.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,837.86 : 29,756.82 = 5,986.86 : x
  2. Step 2: Convert to fraction form
    19,837.86/29,756.82 = 5,986.86/x
  3. Step 3: Cross multiply
    19,837.86x = 29,756.82 × 5,986.86
  4. Step 4: Simplify right side
    19,837.86x = 178,149,915.39
  5. Step 5: Solve for x
    x = 178,149,915.39/19,837.86
  6. Step 6: Final answer
    x = 8,980.30

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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.