Home / 25,090.92-34,625.46-13,760.61

Finding the Fourth Proportional to 25,090.92, 34,625.46 and 13,760.61

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Solution

The fourth proportional to 25,090.92, 34,625.46 and 13,760.61 is: 18,989.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,090.92 : 34,625.46 = 13,760.61 : x
  2. Step 2: Convert to fraction form
    25,090.92/34,625.46 = 13,760.61/x
  3. Step 3: Cross multiply
    25,090.92x = 34,625.46 × 13,760.61
  4. Step 4: Simplify right side
    25,090.92x = 476,467,451.13
  5. Step 5: Solve for x
    x = 476,467,451.13/25,090.92
  6. Step 6: Final answer
    x = 18,989.64

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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.