Home / 20,043.10-27,657.49-11,090.37

Finding the Fourth Proportional to 20,043.10, 27,657.49 and 11,090.37

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Solution

The fourth proportional to 20,043.10, 27,657.49 and 11,090.37 is: 15,303.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,043.10 : 27,657.49 = 11,090.37 : x
  2. Step 2: Convert to fraction form
    20,043.10/27,657.49 = 11,090.37/x
  3. Step 3: Cross multiply
    20,043.10x = 27,657.49 × 11,090.37
  4. Step 4: Simplify right side
    20,043.10x = 306,731,797.37
  5. Step 5: Solve for x
    x = 306,731,797.37/20,043.10
  6. Step 6: Final answer
    x = 15,303.61

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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.