Home / 14,961.90-22,408.20-7,451.78

Finding the Fourth Proportional to 14,961.90, 22,408.20 and 7,451.78

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Solution

The fourth proportional to 14,961.90, 22,408.20 and 7,451.78 is: 11,160.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,961.90 : 22,408.20 = 7,451.78 : x
  2. Step 2: Convert to fraction form
    14,961.90/22,408.20 = 7,451.78/x
  3. Step 3: Cross multiply
    14,961.90x = 22,408.20 × 7,451.78
  4. Step 4: Simplify right side
    14,961.90x = 166,980,976.60
  5. Step 5: Solve for x
    x = 166,980,976.60/14,961.90
  6. Step 6: Final answer
    x = 11,160.41

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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.