Home / 20,049.04-27,667.60-11,217.04

Finding the Fourth Proportional to 20,049.04, 27,667.60 and 11,217.04

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Solution

The fourth proportional to 20,049.04, 27,667.60 and 11,217.04 is: 15,479.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,049.04 : 27,667.60 = 11,217.04 : x
  2. Step 2: Convert to fraction form
    20,049.04/27,667.60 = 11,217.04/x
  3. Step 3: Cross multiply
    20,049.04x = 27,667.60 × 11,217.04
  4. Step 4: Simplify right side
    20,049.04x = 310,348,575.90
  5. Step 5: Solve for x
    x = 310,348,575.90/20,049.04
  6. Step 6: Final answer
    x = 15,479.47

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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.