Home / 19,958.38-27,539.55-11,460.87

Finding the Fourth Proportional to 19,958.38, 27,539.55 and 11,460.87

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Solution

The fourth proportional to 19,958.38, 27,539.55 and 11,460.87 is: 15,814.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,958.38 : 27,539.55 = 11,460.87 : x
  2. Step 2: Convert to fraction form
    19,958.38/27,539.55 = 11,460.87/x
  3. Step 3: Cross multiply
    19,958.38x = 27,539.55 × 11,460.87
  4. Step 4: Simplify right side
    19,958.38x = 315,627,202.41
  5. Step 5: Solve for x
    x = 315,627,202.41/19,958.38
  6. Step 6: Final answer
    x = 15,814.27

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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.