Home / 29,665.12-40,936.20-16,236.34

Finding the Fourth Proportional to 29,665.12, 40,936.20 and 16,236.34

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Solution

The fourth proportional to 29,665.12, 40,936.20 and 16,236.34 is: 22,405.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,665.12 : 40,936.20 = 16,236.34 : x
  2. Step 2: Convert to fraction form
    29,665.12/40,936.20 = 16,236.34/x
  3. Step 3: Cross multiply
    29,665.12x = 40,936.20 × 16,236.34
  4. Step 4: Simplify right side
    29,665.12x = 664,654,061.51
  5. Step 5: Solve for x
    x = 664,654,061.51/29,665.12
  6. Step 6: Final answer
    x = 22,405.24

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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.