Home / 32,682.96-45,107.16-18,344.32

Finding the Fourth Proportional to 32,682.96, 45,107.16 and 18,344.32

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Solution

The fourth proportional to 32,682.96, 45,107.16 and 18,344.32 is: 25,317.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,682.96 : 45,107.16 = 18,344.32 : x
  2. Step 2: Convert to fraction form
    32,682.96/45,107.16 = 18,344.32/x
  3. Step 3: Cross multiply
    32,682.96x = 45,107.16 × 18,344.32
  4. Step 4: Simplify right side
    32,682.96x = 827,460,177.33
  5. Step 5: Solve for x
    x = 827,460,177.33/32,682.96
  6. Step 6: Final answer
    x = 25,317.79

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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.