Home / 23,928.88-33,021.12-13,318.24

Finding the Fourth Proportional to 23,928.88, 33,021.12 and 13,318.24

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Solution

The fourth proportional to 23,928.88, 33,021.12 and 13,318.24 is: 18,378.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,928.88 : 33,021.12 = 13,318.24 : x
  2. Step 2: Convert to fraction form
    23,928.88/33,021.12 = 13,318.24/x
  3. Step 3: Cross multiply
    23,928.88x = 33,021.12 × 13,318.24
  4. Step 4: Simplify right side
    23,928.88x = 439,783,201.23
  5. Step 5: Solve for x
    x = 439,783,201.23/23,928.88
  6. Step 6: Final answer
    x = 18,378.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.