Home / 13,748.55-20,625.39-6,348.12

Finding the Fourth Proportional to 13,748.55, 20,625.39 and 6,348.12

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Solution

The fourth proportional to 13,748.55, 20,625.39 and 6,348.12 is: 9,523.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,748.55 : 20,625.39 = 6,348.12 : x
  2. Step 2: Convert to fraction form
    13,748.55/20,625.39 = 6,348.12/x
  3. Step 3: Cross multiply
    13,748.55x = 20,625.39 × 6,348.12
  4. Step 4: Simplify right side
    13,748.55x = 130,932,450.77
  5. Step 5: Solve for x
    x = 130,932,450.77/13,748.55
  6. Step 6: Final answer
    x = 9,523.36

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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.