Home / 14,748.68-20,353.67-8,375.55

Finding the Fourth Proportional to 14,748.68, 20,353.67 and 8,375.55

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Solution

The fourth proportional to 14,748.68, 20,353.67 and 8,375.55 is: 11,558.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,748.68 : 20,353.67 = 8,375.55 : x
  2. Step 2: Convert to fraction form
    14,748.68/20,353.67 = 8,375.55/x
  3. Step 3: Cross multiply
    14,748.68x = 20,353.67 × 8,375.55
  4. Step 4: Simplify right side
    14,748.68x = 170,473,138.89
  5. Step 5: Solve for x
    x = 170,473,138.89/14,748.68
  6. Step 6: Final answer
    x = 11,558.54

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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.