Home / 25,384.34-38,101.12-12,245.94

Finding the Fourth Proportional to 25,384.34, 38,101.12 and 12,245.94

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Solution

The fourth proportional to 25,384.34, 38,101.12 and 12,245.94 is: 18,380.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,384.34 : 38,101.12 = 12,245.94 : x
  2. Step 2: Convert to fraction form
    25,384.34/38,101.12 = 12,245.94/x
  3. Step 3: Cross multiply
    25,384.34x = 38,101.12 × 12,245.94
  4. Step 4: Simplify right side
    25,384.34x = 466,583,998.84
  5. Step 5: Solve for x
    x = 466,583,998.84/25,384.34
  6. Step 6: Final answer
    x = 18,380.78

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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.