Home / 32,664.36-45,073.19-18,321.22

Finding the Fourth Proportional to 32,664.36, 45,073.19 and 18,321.22

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Solution

The fourth proportional to 32,664.36, 45,073.19 and 18,321.22 is: 25,281.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,664.36 : 45,073.19 = 18,321.22 : x
  2. Step 2: Convert to fraction form
    32,664.36/45,073.19 = 18,321.22/x
  3. Step 3: Cross multiply
    32,664.36x = 45,073.19 × 18,321.22
  4. Step 4: Simplify right side
    32,664.36x = 825,795,932.24
  5. Step 5: Solve for x
    x = 825,795,932.24/32,664.36
  6. Step 6: Final answer
    x = 25,281.25

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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.