Home / 25,086.45-37,631.72-12,600.05

Finding the Fourth Proportional to 25,086.45, 37,631.72 and 12,600.05

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Solution

The fourth proportional to 25,086.45, 37,631.72 and 12,600.05 is: 18,901.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,086.45 : 37,631.72 = 12,600.05 : x
  2. Step 2: Convert to fraction form
    25,086.45/37,631.72 = 12,600.05/x
  3. Step 3: Cross multiply
    25,086.45x = 37,631.72 × 12,600.05
  4. Step 4: Simplify right side
    25,086.45x = 474,161,553.59
  5. Step 5: Solve for x
    x = 474,161,553.59/25,086.45
  6. Step 6: Final answer
    x = 18,901.10

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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.