Home / 18,426.34-25,435.92-12,466.09

Finding the Fourth Proportional to 18,426.34, 25,435.92 and 12,466.09

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Solution

The fourth proportional to 18,426.34, 25,435.92 and 12,466.09 is: 17,208.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,426.34 : 25,435.92 = 12,466.09 : x
  2. Step 2: Convert to fraction form
    18,426.34/25,435.92 = 12,466.09/x
  3. Step 3: Cross multiply
    18,426.34x = 25,435.92 × 12,466.09
  4. Step 4: Simplify right side
    18,426.34x = 317,086,467.95
  5. Step 5: Solve for x
    x = 317,086,467.95/18,426.34
  6. Step 6: Final answer
    x = 17,208.33

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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.