Home / 15,930.69-23,896.58-4,243.92

Finding the Fourth Proportional to 15,930.69, 23,896.58 and 4,243.92

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Solution

The fourth proportional to 15,930.69, 23,896.58 and 4,243.92 is: 6,366.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,930.69 : 23,896.58 = 4,243.92 : x
  2. Step 2: Convert to fraction form
    15,930.69/23,896.58 = 4,243.92/x
  3. Step 3: Cross multiply
    15,930.69x = 23,896.58 × 4,243.92
  4. Step 4: Simplify right side
    15,930.69x = 101,415,173.79
  5. Step 5: Solve for x
    x = 101,415,173.79/15,930.69
  6. Step 6: Final answer
    x = 6,366.03

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1.5x scale

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.