Home / 13,972.84-20,963.60-4,844.86

Finding the Fourth Proportional to 13,972.84, 20,963.60 and 4,844.86

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Solution

The fourth proportional to 13,972.84, 20,963.60 and 4,844.86 is: 7,268.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,972.84 : 20,963.60 = 4,844.86 : x
  2. Step 2: Convert to fraction form
    13,972.84/20,963.60 = 4,844.86/x
  3. Step 3: Cross multiply
    13,972.84x = 20,963.60 × 4,844.86
  4. Step 4: Simplify right side
    13,972.84x = 101,565,707.10
  5. Step 5: Solve for x
    x = 101,565,707.10/13,972.84
  6. Step 6: Final answer
    x = 7,268.79

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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.