Home / 14,451.92-21,682.72-6,131.60

Finding the Fourth Proportional to 14,451.92, 21,682.72 and 6,131.60

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Solution

The fourth proportional to 14,451.92, 21,682.72 and 6,131.60 is: 9,199.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,451.92 : 21,682.72 = 6,131.60 : x
  2. Step 2: Convert to fraction form
    14,451.92/21,682.72 = 6,131.60/x
  3. Step 3: Cross multiply
    14,451.92x = 21,682.72 × 6,131.60
  4. Step 4: Simplify right side
    14,451.92x = 132,949,765.95
  5. Step 5: Solve for x
    x = 132,949,765.95/14,451.92
  6. Step 6: Final answer
    x = 9,199.45

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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.