Home / 18,851.06-26,002.94-13,553.06

Finding the Fourth Proportional to 18,851.06, 26,002.94 and 13,553.06

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Solution

The fourth proportional to 18,851.06, 26,002.94 and 13,553.06 is: 18,694.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,851.06 : 26,002.94 = 13,553.06 : x
  2. Step 2: Convert to fraction form
    18,851.06/26,002.94 = 13,553.06/x
  3. Step 3: Cross multiply
    18,851.06x = 26,002.94 × 13,553.06
  4. Step 4: Simplify right side
    18,851.06x = 352,419,406.00
  5. Step 5: Solve for x
    x = 352,419,406.00/18,851.06
  6. Step 6: Final answer
    x = 18,694.94

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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.