Home / 15,961.97-23,946.03-5,431.56

Finding the Fourth Proportional to 15,961.97, 23,946.03 and 5,431.56

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Solution

The fourth proportional to 15,961.97, 23,946.03 and 5,431.56 is: 8,148.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,961.97 : 23,946.03 = 5,431.56 : x
  2. Step 2: Convert to fraction form
    15,961.97/23,946.03 = 5,431.56/x
  3. Step 3: Cross multiply
    15,961.97x = 23,946.03 × 5,431.56
  4. Step 4: Simplify right side
    15,961.97x = 130,064,298.71
  5. Step 5: Solve for x
    x = 130,064,298.71/15,961.97
  6. Step 6: Final answer
    x = 8,148.39

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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.