Home / 19,742.96-27,245.94-11,359.46

Finding the Fourth Proportional to 19,742.96, 27,245.94 and 11,359.46

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Solution

The fourth proportional to 19,742.96, 27,245.94 and 11,359.46 is: 15,676.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,742.96 : 27,245.94 = 11,359.46 : x
  2. Step 2: Convert to fraction form
    19,742.96/27,245.94 = 11,359.46/x
  3. Step 3: Cross multiply
    19,742.96x = 27,245.94 × 11,359.46
  4. Step 4: Simplify right side
    19,742.96x = 309,499,165.59
  5. Step 5: Solve for x
    x = 309,499,165.59/19,742.96
  6. Step 6: Final answer
    x = 15,676.43

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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.