Home / 18,493.44-25,520.96-10,109.94

Finding the Fourth Proportional to 18,493.44, 25,520.96 and 10,109.94

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Solution

The fourth proportional to 18,493.44, 25,520.96 and 10,109.94 is: 13,951.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,493.44 : 25,520.96 = 10,109.94 : x
  2. Step 2: Convert to fraction form
    18,493.44/25,520.96 = 10,109.94/x
  3. Step 3: Cross multiply
    18,493.44x = 25,520.96 × 10,109.94
  4. Step 4: Simplify right side
    18,493.44x = 258,015,374.34
  5. Step 5: Solve for x
    x = 258,015,374.34/18,493.44
  6. Step 6: Final answer
    x = 13,951.72

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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.