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Finding the Fourth Proportional to 17,892.97, 26,845.13 and 13,957.72

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Solution

The fourth proportional to 17,892.97, 26,845.13 and 13,957.72 is: 20,941.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,892.97 : 26,845.13 = 13,957.72 : x
  2. Step 2: Convert to fraction form
    17,892.97/26,845.13 = 13,957.72/x
  3. Step 3: Cross multiply
    17,892.97x = 26,845.13 × 13,957.72
  4. Step 4: Simplify right side
    17,892.97x = 374,696,807.90
  5. Step 5: Solve for x
    x = 374,696,807.90/17,892.97
  6. Step 6: Final answer
    x = 20,941.01

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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.