Home / 16,861.14-25,230.51-12,190.50

Finding the Fourth Proportional to 16,861.14, 25,230.51 and 12,190.50

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Solution

The fourth proportional to 16,861.14, 25,230.51 and 12,190.50 is: 18,241.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,861.14 : 25,230.51 = 12,190.50 : x
  2. Step 2: Convert to fraction form
    16,861.14/25,230.51 = 12,190.50/x
  3. Step 3: Cross multiply
    16,861.14x = 25,230.51 × 12,190.50
  4. Step 4: Simplify right side
    16,861.14x = 307,572,532.16
  5. Step 5: Solve for x
    x = 307,572,532.16/16,861.14
  6. Step 6: Final answer
    x = 18,241.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.