Home / 23,928.40-33,021.84-13,317.40

Finding the Fourth Proportional to 23,928.40, 33,021.84 and 13,317.40

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Solution

The fourth proportional to 23,928.40, 33,021.84 and 13,317.40 is: 18,378.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,928.40 : 33,021.84 = 13,317.40 : x
  2. Step 2: Convert to fraction form
    23,928.40/33,021.84 = 13,317.40/x
  3. Step 3: Cross multiply
    23,928.40x = 33,021.84 × 13,317.40
  4. Step 4: Simplify right side
    23,928.40x = 439,765,052.02
  5. Step 5: Solve for x
    x = 439,765,052.02/23,928.40
  6. Step 6: Final answer
    x = 18,378.37

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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.