Home / 14,676.96-20,249.28-8,384.88

Finding the Fourth Proportional to 14,676.96, 20,249.28 and 8,384.88

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Solution

The fourth proportional to 14,676.96, 20,249.28 and 8,384.88 is: 11,568.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,676.96 : 20,249.28 = 8,384.88 : x
  2. Step 2: Convert to fraction form
    14,676.96/20,249.28 = 8,384.88/x
  3. Step 3: Cross multiply
    14,676.96x = 20,249.28 × 8,384.88
  4. Step 4: Simplify right side
    14,676.96x = 169,787,782.89
  5. Step 5: Solve for x
    x = 169,787,782.89/14,676.96
  6. Step 6: Final answer
    x = 11,568.32

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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.