Home / 12,609.08-18,895.92-9,964.96

Finding the Fourth Proportional to 12,609.08, 18,895.92 and 9,964.96

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Solution

The fourth proportional to 12,609.08, 18,895.92 and 9,964.96 is: 14,933.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,609.08 : 18,895.92 = 9,964.96 : x
  2. Step 2: Convert to fraction form
    12,609.08/18,895.92 = 9,964.96/x
  3. Step 3: Cross multiply
    12,609.08x = 18,895.92 × 9,964.96
  4. Step 4: Simplify right side
    12,609.08x = 188,297,037.14
  5. Step 5: Solve for x
    x = 188,297,037.14/12,609.08
  6. Step 6: Final answer
    x = 14,933.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.