Home / 14,414.16-21,573.60-13,118.88

Finding the Fourth Proportional to 14,414.16, 21,573.60 and 13,118.88

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Solution

The fourth proportional to 14,414.16, 21,573.60 and 13,118.88 is: 19,634.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,414.16 : 21,573.60 = 13,118.88 : x
  2. Step 2: Convert to fraction form
    14,414.16/21,573.60 = 13,118.88/x
  3. Step 3: Cross multiply
    14,414.16x = 21,573.60 × 13,118.88
  4. Step 4: Simplify right side
    14,414.16x = 283,021,469.57
  5. Step 5: Solve for x
    x = 283,021,469.57/14,414.16
  6. Step 6: Final answer
    x = 19,634.96

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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.