Home / 14,659.96-20,230.64-8,372.32

Finding the Fourth Proportional to 14,659.96, 20,230.64 and 8,372.32

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Solution

The fourth proportional to 14,659.96, 20,230.64 and 8,372.32 is: 11,553.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,659.96 : 20,230.64 = 8,372.32 : x
  2. Step 2: Convert to fraction form
    14,659.96/20,230.64 = 8,372.32/x
  3. Step 3: Cross multiply
    14,659.96x = 20,230.64 × 8,372.32
  4. Step 4: Simplify right side
    14,659.96x = 169,377,391.88
  5. Step 5: Solve for x
    x = 169,377,391.88/14,659.96
  6. Step 6: Final answer
    x = 11,553.74

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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.