Home / 20,063.37-27,687.43-11,110.87

Finding the Fourth Proportional to 20,063.37, 27,687.43 and 11,110.87

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Solution

The fourth proportional to 20,063.37, 27,687.43 and 11,110.87 is: 15,332.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,063.37 : 27,687.43 = 11,110.87 : x
  2. Step 2: Convert to fraction form
    20,063.37/27,687.43 = 11,110.87/x
  3. Step 3: Cross multiply
    20,063.37x = 27,687.43 × 11,110.87
  4. Step 4: Simplify right side
    20,063.37x = 307,631,435.36
  5. Step 5: Solve for x
    x = 307,631,435.36/20,063.37
  6. Step 6: Final answer
    x = 15,332.99

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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.