Home / 18,805.06-25,943.74-10,739.18

Finding the Fourth Proportional to 18,805.06, 25,943.74 and 10,739.18

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Solution

The fourth proportional to 18,805.06, 25,943.74 and 10,739.18 is: 14,815.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,805.06 : 25,943.74 = 10,739.18 : x
  2. Step 2: Convert to fraction form
    18,805.06/25,943.74 = 10,739.18/x
  3. Step 3: Cross multiply
    18,805.06x = 25,943.74 × 10,739.18
  4. Step 4: Simplify right side
    18,805.06x = 278,614,493.73
  5. Step 5: Solve for x
    x = 278,614,493.73/18,805.06
  6. Step 6: Final answer
    x = 14,815.93

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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.