Home / 14,748.55-20,353.49-8,375.42

Finding the Fourth Proportional to 14,748.55, 20,353.49 and 8,375.42

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Solution

The fourth proportional to 14,748.55, 20,353.49 and 8,375.42 is: 11,558.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,748.55 : 20,353.49 = 8,375.42 : x
  2. Step 2: Convert to fraction form
    14,748.55/20,353.49 = 8,375.42/x
  3. Step 3: Cross multiply
    14,748.55x = 20,353.49 × 8,375.42
  4. Step 4: Simplify right side
    14,748.55x = 170,469,027.22
  5. Step 5: Solve for x
    x = 170,469,027.22/14,748.55
  6. Step 6: Final answer
    x = 11,558.36

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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.