Home / 13,673.22-20,512.58-4,314.68

Finding the Fourth Proportional to 13,673.22, 20,512.58 and 4,314.68

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Solution

The fourth proportional to 13,673.22, 20,512.58 and 4,314.68 is: 6,472.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,673.22 : 20,512.58 = 4,314.68 : x
  2. Step 2: Convert to fraction form
    13,673.22/20,512.58 = 4,314.68/x
  3. Step 3: Cross multiply
    13,673.22x = 20,512.58 × 4,314.68
  4. Step 4: Simplify right side
    13,673.22x = 88,505,171.46
  5. Step 5: Solve for x
    x = 88,505,171.46/13,673.22
  6. Step 6: Final answer
    x = 6,472.89

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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.