Home / 12,260.14-18,401.74-8,753.64

Finding the Fourth Proportional to 12,260.14, 18,401.74 and 8,753.64

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Solution

The fourth proportional to 12,260.14, 18,401.74 and 8,753.64 is: 13,138.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,260.14 : 18,401.74 = 8,753.64 : x
  2. Step 2: Convert to fraction form
    12,260.14/18,401.74 = 8,753.64/x
  3. Step 3: Cross multiply
    12,260.14x = 18,401.74 × 8,753.64
  4. Step 4: Simplify right side
    12,260.14x = 161,082,207.33
  5. Step 5: Solve for x
    x = 161,082,207.33/12,260.14
  6. Step 6: Final answer
    x = 13,138.69

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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.