Home / 27,190.31-40,800.32-10,550.99

Finding the Fourth Proportional to 27,190.31, 40,800.32 and 10,550.99

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Solution

The fourth proportional to 27,190.31, 40,800.32 and 10,550.99 is: 15,832.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,190.31 : 40,800.32 = 10,550.99 : x
  2. Step 2: Convert to fraction form
    27,190.31/40,800.32 = 10,550.99/x
  3. Step 3: Cross multiply
    27,190.31x = 40,800.32 × 10,550.99
  4. Step 4: Simplify right side
    27,190.31x = 430,483,511.56
  5. Step 5: Solve for x
    x = 430,483,511.56/27,190.31
  6. Step 6: Final answer
    x = 15,832.24

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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.