Home / 13,049.82-19,548.30-10,421.82

Finding the Fourth Proportional to 13,049.82, 19,548.30 and 10,421.82

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Solution

The fourth proportional to 13,049.82, 19,548.30 and 10,421.82 is: 15,611.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,049.82 : 19,548.30 = 10,421.82 : x
  2. Step 2: Convert to fraction form
    13,049.82/19,548.30 = 10,421.82/x
  3. Step 3: Cross multiply
    13,049.82x = 19,548.30 × 10,421.82
  4. Step 4: Simplify right side
    13,049.82x = 203,728,863.91
  5. Step 5: Solve for x
    x = 203,728,863.91/13,049.82
  6. Step 6: Final answer
    x = 15,611.62

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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.