Home / 15,621.93-23,427.99-5,231.25

Finding the Fourth Proportional to 15,621.93, 23,427.99 and 5,231.25

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Solution

The fourth proportional to 15,621.93, 23,427.99 and 5,231.25 is: 7,845.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,621.93 : 23,427.99 = 5,231.25 : x
  2. Step 2: Convert to fraction form
    15,621.93/23,427.99 = 5,231.25/x
  3. Step 3: Cross multiply
    15,621.93x = 23,427.99 × 5,231.25
  4. Step 4: Simplify right side
    15,621.93x = 122,557,672.69
  5. Step 5: Solve for x
    x = 122,557,672.69/15,621.93
  6. Step 6: Final answer
    x = 7,845.23

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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.