Home / 14,771.03-20,388.24-8,401.06

Finding the Fourth Proportional to 14,771.03, 20,388.24 and 8,401.06

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Solution

The fourth proportional to 14,771.03, 20,388.24 and 8,401.06 is: 11,595.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,771.03 : 20,388.24 = 8,401.06 : x
  2. Step 2: Convert to fraction form
    14,771.03/20,388.24 = 8,401.06/x
  3. Step 3: Cross multiply
    14,771.03x = 20,388.24 × 8,401.06
  4. Step 4: Simplify right side
    14,771.03x = 171,282,776.56
  5. Step 5: Solve for x
    x = 171,282,776.56/14,771.03
  6. Step 6: Final answer
    x = 11,595.86

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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.