Home / 21,578.87-32,370.06-5,996.49

Finding the Fourth Proportional to 21,578.87, 32,370.06 and 5,996.49

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Solution

The fourth proportional to 21,578.87, 32,370.06 and 5,996.49 is: 8,995.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,578.87 : 32,370.06 = 5,996.49 : x
  2. Step 2: Convert to fraction form
    21,578.87/32,370.06 = 5,996.49/x
  3. Step 3: Cross multiply
    21,578.87x = 32,370.06 × 5,996.49
  4. Step 4: Simplify right side
    21,578.87x = 194,106,741.09
  5. Step 5: Solve for x
    x = 194,106,741.09/21,578.87
  6. Step 6: Final answer
    x = 8,995.22

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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.