Home / 20,104.11-27,725.53-12,551.14

Finding the Fourth Proportional to 20,104.11, 27,725.53 and 12,551.14

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Solution

The fourth proportional to 20,104.11, 27,725.53 and 12,551.14 is: 17,309.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,104.11 : 27,725.53 = 12,551.14 : x
  2. Step 2: Convert to fraction form
    20,104.11/27,725.53 = 12,551.14/x
  3. Step 3: Cross multiply
    20,104.11x = 27,725.53 × 12,551.14
  4. Step 4: Simplify right side
    20,104.11x = 347,987,008.60
  5. Step 5: Solve for x
    x = 347,987,008.60/20,104.11
  6. Step 6: Final answer
    x = 17,309.25

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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.