Home / 20,002.37-27,602.43-11,503.85

Finding the Fourth Proportional to 20,002.37, 27,602.43 and 11,503.85

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Solution

The fourth proportional to 20,002.37, 27,602.43 and 11,503.85 is: 15,874.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,002.37 : 27,602.43 = 11,503.85 : x
  2. Step 2: Convert to fraction form
    20,002.37/27,602.43 = 11,503.85/x
  3. Step 3: Cross multiply
    20,002.37x = 27,602.43 × 11,503.85
  4. Step 4: Simplify right side
    20,002.37x = 317,534,076.34
  5. Step 5: Solve for x
    x = 317,534,076.34/20,002.37
  6. Step 6: Final answer
    x = 15,874.83

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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.