Home / 18,836.16-25,993.04-10,338.09

Finding the Fourth Proportional to 18,836.16, 25,993.04 and 10,338.09

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Solution

The fourth proportional to 18,836.16, 25,993.04 and 10,338.09 is: 14,266.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,836.16 : 25,993.04 = 10,338.09 : x
  2. Step 2: Convert to fraction form
    18,836.16/25,993.04 = 10,338.09/x
  3. Step 3: Cross multiply
    18,836.16x = 25,993.04 × 10,338.09
  4. Step 4: Simplify right side
    18,836.16x = 268,718,335.20
  5. Step 5: Solve for x
    x = 268,718,335.20/18,836.16
  6. Step 6: Final answer
    x = 14,266.09

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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.