Home / 21,709.04-29,958.60-11,773.04

Finding the Fourth Proportional to 21,709.04, 29,958.60 and 11,773.04

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Solution

The fourth proportional to 21,709.04, 29,958.60 and 11,773.04 is: 16,246.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,709.04 : 29,958.60 = 11,773.04 : x
  2. Step 2: Convert to fraction form
    21,709.04/29,958.60 = 11,773.04/x
  3. Step 3: Cross multiply
    21,709.04x = 29,958.60 × 11,773.04
  4. Step 4: Simplify right side
    21,709.04x = 352,703,796.14
  5. Step 5: Solve for x
    x = 352,703,796.14/21,709.04
  6. Step 6: Final answer
    x = 16,246.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.