Home / 29,146.79-43,629.68-15,786.60

Finding the Fourth Proportional to 29,146.79, 43,629.68 and 15,786.60

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Solution

The fourth proportional to 29,146.79, 43,629.68 and 15,786.60 is: 23,630.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,146.79 : 43,629.68 = 15,786.60 : x
  2. Step 2: Convert to fraction form
    29,146.79/43,629.68 = 15,786.60/x
  3. Step 3: Cross multiply
    29,146.79x = 43,629.68 × 15,786.60
  4. Step 4: Simplify right side
    29,146.79x = 688,764,232.02
  5. Step 5: Solve for x
    x = 688,764,232.02/29,146.79
  6. Step 6: Final answer
    x = 23,630.88

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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.