Home / 14,372.64-21,558.48-3,984.48

Finding the Fourth Proportional to 14,372.64, 21,558.48 and 3,984.48

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Solution

The fourth proportional to 14,372.64, 21,558.48 and 3,984.48 is: 5,976.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,372.64 : 21,558.48 = 3,984.48 : x
  2. Step 2: Convert to fraction form
    14,372.64/21,558.48 = 3,984.48/x
  3. Step 3: Cross multiply
    14,372.64x = 21,558.48 × 3,984.48
  4. Step 4: Simplify right side
    14,372.64x = 85,899,332.39
  5. Step 5: Solve for x
    x = 85,899,332.39/14,372.64
  6. Step 6: Final answer
    x = 5,976.59

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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.