Home / 29,857.46-41,186.21-18,660.02

Finding the Fourth Proportional to 29,857.46, 41,186.21 and 18,660.02

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Solution

The fourth proportional to 29,857.46, 41,186.21 and 18,660.02 is: 25,740.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,857.46 : 41,186.21 = 18,660.02 : x
  2. Step 2: Convert to fraction form
    29,857.46/41,186.21 = 18,660.02/x
  3. Step 3: Cross multiply
    29,857.46x = 41,186.21 × 18,660.02
  4. Step 4: Simplify right side
    29,857.46x = 768,535,203.09
  5. Step 5: Solve for x
    x = 768,535,203.09/29,857.46
  6. Step 6: Final answer
    x = 25,740.14

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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.