Home / 14,617.96-20,149.08-11,425.62

Finding the Fourth Proportional to 14,617.96, 20,149.08 and 11,425.62

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Solution

The fourth proportional to 14,617.96, 20,149.08 and 11,425.62 is: 15,748.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,617.96 : 20,149.08 = 11,425.62 : x
  2. Step 2: Convert to fraction form
    14,617.96/20,149.08 = 11,425.62/x
  3. Step 3: Cross multiply
    14,617.96x = 20,149.08 × 11,425.62
  4. Step 4: Simplify right side
    14,617.96x = 230,215,731.43
  5. Step 5: Solve for x
    x = 230,215,731.43/14,617.96
  6. Step 6: Final answer
    x = 15,748.83

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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.