Home / 19,850.90-27,392.22-11,892.92

Finding the Fourth Proportional to 19,850.90, 27,392.22 and 11,892.92

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Solution

The fourth proportional to 19,850.90, 27,392.22 and 11,892.92 is: 16,411.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,850.90 : 27,392.22 = 11,892.92 : x
  2. Step 2: Convert to fraction form
    19,850.90/27,392.22 = 11,892.92/x
  3. Step 3: Cross multiply
    19,850.90x = 27,392.22 × 11,892.92
  4. Step 4: Simplify right side
    19,850.90x = 325,773,344.12
  5. Step 5: Solve for x
    x = 325,773,344.12/19,850.90
  6. Step 6: Final answer
    x = 16,411.02

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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.