Home / 14,401.64-19,874.20-8,028.15

Finding the Fourth Proportional to 14,401.64, 19,874.20 and 8,028.15

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Solution

The fourth proportional to 14,401.64, 19,874.20 and 8,028.15 is: 11,078.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,401.64 : 19,874.20 = 8,028.15 : x
  2. Step 2: Convert to fraction form
    14,401.64/19,874.20 = 8,028.15/x
  3. Step 3: Cross multiply
    14,401.64x = 19,874.20 × 8,028.15
  4. Step 4: Simplify right side
    14,401.64x = 159,553,058.73
  5. Step 5: Solve for x
    x = 159,553,058.73/14,401.64
  6. Step 6: Final answer
    x = 11,078.81

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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.