Home / 29,725.91-41,025.93-18,399.02

Finding the Fourth Proportional to 29,725.91, 41,025.93 and 18,399.02

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Solution

The fourth proportional to 29,725.91, 41,025.93 and 18,399.02 is: 25,393.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,725.91 : 41,025.93 = 18,399.02 : x
  2. Step 2: Convert to fraction form
    29,725.91/41,025.93 = 18,399.02/x
  3. Step 3: Cross multiply
    29,725.91x = 41,025.93 × 18,399.02
  4. Step 4: Simplify right side
    29,725.91x = 754,836,906.59
  5. Step 5: Solve for x
    x = 754,836,906.59/29,725.91
  6. Step 6: Final answer
    x = 25,393.23

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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.