Home / 14,451.11-21,680.61-6,131.60

Finding the Fourth Proportional to 14,451.11, 21,680.61 and 6,131.60

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Solution

The fourth proportional to 14,451.11, 21,680.61 and 6,131.60 is: 9,199.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,451.11 : 21,680.61 = 6,131.60 : x
  2. Step 2: Convert to fraction form
    14,451.11/21,680.61 = 6,131.60/x
  3. Step 3: Cross multiply
    14,451.11x = 21,680.61 × 6,131.60
  4. Step 4: Simplify right side
    14,451.11x = 132,936,689.21
  5. Step 5: Solve for x
    x = 132,936,689.21/14,451.11
  6. Step 6: Final answer
    x = 9,199.07

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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.