Home / 13,449.51-20,175.39-3,588.75

Finding the Fourth Proportional to 13,449.51, 20,175.39 and 3,588.75

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Solution

The fourth proportional to 13,449.51, 20,175.39 and 3,588.75 is: 5,383.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,449.51 : 20,175.39 = 3,588.75 : x
  2. Step 2: Convert to fraction form
    13,449.51/20,175.39 = 3,588.75/x
  3. Step 3: Cross multiply
    13,449.51x = 20,175.39 × 3,588.75
  4. Step 4: Simplify right side
    13,449.51x = 72,404,430.86
  5. Step 5: Solve for x
    x = 72,404,430.86/13,449.51
  6. Step 6: Final answer
    x = 5,383.43

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1.5x scale

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.