Home / 13,453.48-20,167.26-4,217.32

Finding the Fourth Proportional to 13,453.48, 20,167.26 and 4,217.32

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Solution

The fourth proportional to 13,453.48, 20,167.26 and 4,217.32 is: 6,321.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,453.48 : 20,167.26 = 4,217.32 : x
  2. Step 2: Convert to fraction form
    13,453.48/20,167.26 = 4,217.32/x
  3. Step 3: Cross multiply
    13,453.48x = 20,167.26 × 4,217.32
  4. Step 4: Simplify right side
    13,453.48x = 85,051,788.94
  5. Step 5: Solve for x
    x = 85,051,788.94/13,453.48
  6. Step 6: Final answer
    x = 6,321.92

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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.