Home / 26,318.96-39,399.60-19,398.32

Finding the Fourth Proportional to 26,318.96, 39,399.60 and 19,398.32

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Solution

The fourth proportional to 26,318.96, 39,399.60 and 19,398.32 is: 29,039.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,318.96 : 39,399.60 = 19,398.32 : x
  2. Step 2: Convert to fraction form
    26,318.96/39,399.60 = 19,398.32/x
  3. Step 3: Cross multiply
    26,318.96x = 39,399.60 × 19,398.32
  4. Step 4: Simplify right side
    26,318.96x = 764,286,048.67
  5. Step 5: Solve for x
    x = 764,286,048.67/26,318.96
  6. Step 6: Final answer
    x = 29,039.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.