Home / 12,338.33-18,410.59-11,585.18

Finding the Fourth Proportional to 12,338.33, 18,410.59 and 11,585.18

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Solution

The fourth proportional to 12,338.33, 18,410.59 and 11,585.18 is: 17,286.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,338.33 : 18,410.59 = 11,585.18 : x
  2. Step 2: Convert to fraction form
    12,338.33/18,410.59 = 11,585.18/x
  3. Step 3: Cross multiply
    12,338.33x = 18,410.59 × 11,585.18
  4. Step 4: Simplify right side
    12,338.33x = 213,289,956.00
  5. Step 5: Solve for x
    x = 213,289,956.00/12,338.33
  6. Step 6: Final answer
    x = 17,286.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.