Home / 20,025.10-27,635.22-10,950.99

Finding the Fourth Proportional to 20,025.10, 27,635.22 and 10,950.99

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Solution

The fourth proportional to 20,025.10, 27,635.22 and 10,950.99 is: 15,112.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,025.10 : 27,635.22 = 10,950.99 : x
  2. Step 2: Convert to fraction form
    20,025.10/27,635.22 = 10,950.99/x
  3. Step 3: Cross multiply
    20,025.10x = 27,635.22 × 10,950.99
  4. Step 4: Simplify right side
    20,025.10x = 302,633,017.87
  5. Step 5: Solve for x
    x = 302,633,017.87/20,025.10
  6. Step 6: Final answer
    x = 15,112.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.