Home / 18,188.12-25,099.68-10,230.44

Finding the Fourth Proportional to 18,188.12, 25,099.68 and 10,230.44

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Solution

The fourth proportional to 18,188.12, 25,099.68 and 10,230.44 is: 14,118.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,188.12 : 25,099.68 = 10,230.44 : x
  2. Step 2: Convert to fraction form
    18,188.12/25,099.68 = 10,230.44/x
  3. Step 3: Cross multiply
    18,188.12x = 25,099.68 × 10,230.44
  4. Step 4: Simplify right side
    18,188.12x = 256,780,770.26
  5. Step 5: Solve for x
    x = 256,780,770.26/18,188.12
  6. Step 6: Final answer
    x = 14,118.05

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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.