Home / 12,950.21-19,425.31-8,566.64

Finding the Fourth Proportional to 12,950.21, 19,425.31 and 8,566.64

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Solution

The fourth proportional to 12,950.21, 19,425.31 and 8,566.64 is: 12,849.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,950.21 : 19,425.31 = 8,566.64 : x
  2. Step 2: Convert to fraction form
    12,950.21/19,425.31 = 8,566.64/x
  3. Step 3: Cross multiply
    12,950.21x = 19,425.31 × 8,566.64
  4. Step 4: Simplify right side
    12,950.21x = 166,409,694.78
  5. Step 5: Solve for x
    x = 166,409,694.78/12,950.21
  6. Step 6: Final answer
    x = 12,849.96

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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.