Home / 13,829.84-20,750.46-4,946.38

Finding the Fourth Proportional to 13,829.84, 20,750.46 and 4,946.38

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Solution

The fourth proportional to 13,829.84, 20,750.46 and 4,946.38 is: 7,421.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,829.84 : 20,750.46 = 4,946.38 : x
  2. Step 2: Convert to fraction form
    13,829.84/20,750.46 = 4,946.38/x
  3. Step 3: Cross multiply
    13,829.84x = 20,750.46 × 4,946.38
  4. Step 4: Simplify right side
    13,829.84x = 102,639,660.33
  5. Step 5: Solve for x
    x = 102,639,660.33/13,829.84
  6. Step 6: Final answer
    x = 7,421.61

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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.