Home / 18,766.36-25,886.30-12,393.04

Finding the Fourth Proportional to 18,766.36, 25,886.30 and 12,393.04

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Solution

The fourth proportional to 18,766.36, 25,886.30 and 12,393.04 is: 17,094.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,766.36 : 25,886.30 = 12,393.04 : x
  2. Step 2: Convert to fraction form
    18,766.36/25,886.30 = 12,393.04/x
  3. Step 3: Cross multiply
    18,766.36x = 25,886.30 × 12,393.04
  4. Step 4: Simplify right side
    18,766.36x = 320,809,951.35
  5. Step 5: Solve for x
    x = 320,809,951.35/18,766.36
  6. Step 6: Final answer
    x = 17,094.95

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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.