Home / 15,311.34-22,945.10-8,723.94

Finding the Fourth Proportional to 15,311.34, 22,945.10 and 8,723.94

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Solution

The fourth proportional to 15,311.34, 22,945.10 and 8,723.94 is: 13,073.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,311.34 : 22,945.10 = 8,723.94 : x
  2. Step 2: Convert to fraction form
    15,311.34/22,945.10 = 8,723.94/x
  3. Step 3: Cross multiply
    15,311.34x = 22,945.10 × 8,723.94
  4. Step 4: Simplify right side
    15,311.34x = 200,171,675.69
  5. Step 5: Solve for x
    x = 200,171,675.69/15,311.34
  6. Step 6: Final answer
    x = 13,073.43

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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.