Home / 14,480.40-21,682.55-11,654.21

Finding the Fourth Proportional to 14,480.40, 21,682.55 and 11,654.21

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Solution

The fourth proportional to 14,480.40, 21,682.55 and 11,654.21 is: 17,450.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,480.40 : 21,682.55 = 11,654.21 : x
  2. Step 2: Convert to fraction form
    14,480.40/21,682.55 = 11,654.21/x
  3. Step 3: Cross multiply
    14,480.40x = 21,682.55 × 11,654.21
  4. Step 4: Simplify right side
    14,480.40x = 252,693,074.38
  5. Step 5: Solve for x
    x = 252,693,074.38/14,480.40
  6. Step 6: Final answer
    x = 17,450.69

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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.