Home / 18,540.88-25,588.56-10,584.25

Finding the Fourth Proportional to 18,540.88, 25,588.56 and 10,584.25

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Solution

The fourth proportional to 18,540.88, 25,588.56 and 10,584.25 is: 14,607.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,540.88 : 25,588.56 = 10,584.25 : x
  2. Step 2: Convert to fraction form
    18,540.88/25,588.56 = 10,584.25/x
  3. Step 3: Cross multiply
    18,540.88x = 25,588.56 × 10,584.25
  4. Step 4: Simplify right side
    18,540.88x = 270,835,716.18
  5. Step 5: Solve for x
    x = 270,835,716.18/18,540.88
  6. Step 6: Final answer
    x = 14,607.49

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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.