Home / 15,965.94-23,951.74-5,435.42

Finding the Fourth Proportional to 15,965.94, 23,951.74 and 5,435.42

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Solution

The fourth proportional to 15,965.94, 23,951.74 and 5,435.42 is: 8,154.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,965.94 : 23,951.74 = 5,435.42 : x
  2. Step 2: Convert to fraction form
    15,965.94/23,951.74 = 5,435.42/x
  3. Step 3: Cross multiply
    15,965.94x = 23,951.74 × 5,435.42
  4. Step 4: Simplify right side
    15,965.94x = 130,187,766.63
  5. Step 5: Solve for x
    x = 130,187,766.63/15,965.94
  6. Step 6: Final answer
    x = 8,154.09

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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.