Home / 20,018.43-27,625.77-11,634.93

Finding the Fourth Proportional to 20,018.43, 27,625.77 and 11,634.93

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Solution

The fourth proportional to 20,018.43, 27,625.77 and 11,634.93 is: 16,056.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,018.43 : 27,625.77 = 11,634.93 : x
  2. Step 2: Convert to fraction form
    20,018.43/27,625.77 = 11,634.93/x
  3. Step 3: Cross multiply
    20,018.43x = 27,625.77 × 11,634.93
  4. Step 4: Simplify right side
    20,018.43x = 321,423,900.15
  5. Step 5: Solve for x
    x = 321,423,900.15/20,018.43
  6. Step 6: Final answer
    x = 16,056.40

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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.