Home / 18,972.09-26,182.34-10,908.36

Finding the Fourth Proportional to 18,972.09, 26,182.34 and 10,908.36

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Solution

The fourth proportional to 18,972.09, 26,182.34 and 10,908.36 is: 15,054.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,972.09 : 26,182.34 = 10,908.36 : x
  2. Step 2: Convert to fraction form
    18,972.09/26,182.34 = 10,908.36/x
  3. Step 3: Cross multiply
    18,972.09x = 26,182.34 × 10,908.36
  4. Step 4: Simplify right side
    18,972.09x = 285,606,376.73
  5. Step 5: Solve for x
    x = 285,606,376.73/18,972.09
  6. Step 6: Final answer
    x = 15,054.03

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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.