Home / 14,531.22-21,797.64-4,143.78

Finding the Fourth Proportional to 14,531.22, 21,797.64 and 4,143.78

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Solution

The fourth proportional to 14,531.22, 21,797.64 and 4,143.78 is: 6,215.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,531.22 : 21,797.64 = 4,143.78 : x
  2. Step 2: Convert to fraction form
    14,531.22/21,797.64 = 4,143.78/x
  3. Step 3: Cross multiply
    14,531.22x = 21,797.64 × 4,143.78
  4. Step 4: Simplify right side
    14,531.22x = 90,324,624.68
  5. Step 5: Solve for x
    x = 90,324,624.68/14,531.22
  6. Step 6: Final answer
    x = 6,215.90

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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.