Home / 13,951.68-20,930.24-4,946.64

Finding the Fourth Proportional to 13,951.68, 20,930.24 and 4,946.64

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Solution

The fourth proportional to 13,951.68, 20,930.24 and 4,946.64 is: 7,420.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,951.68 : 20,930.24 = 4,946.64 : x
  2. Step 2: Convert to fraction form
    13,951.68/20,930.24 = 4,946.64/x
  3. Step 3: Cross multiply
    13,951.68x = 20,930.24 × 4,946.64
  4. Step 4: Simplify right side
    13,951.68x = 103,534,362.39
  5. Step 5: Solve for x
    x = 103,534,362.39/13,951.68
  6. Step 6: Final answer
    x = 7,420.92

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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.