Home / 26,350.62-39,530.73-12,499.50

Finding the Fourth Proportional to 26,350.62, 39,530.73 and 12,499.50

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Solution

The fourth proportional to 26,350.62, 39,530.73 and 12,499.50 is: 18,751.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,350.62 : 39,530.73 = 12,499.50 : x
  2. Step 2: Convert to fraction form
    26,350.62/39,530.73 = 12,499.50/x
  3. Step 3: Cross multiply
    26,350.62x = 39,530.73 × 12,499.50
  4. Step 4: Simplify right side
    26,350.62x = 494,114,359.64
  5. Step 5: Solve for x
    x = 494,114,359.64/26,350.62
  6. Step 6: Final answer
    x = 18,751.53

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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.