Home / 20,553.58-28,363.44-11,601.46

Finding the Fourth Proportional to 20,553.58, 28,363.44 and 11,601.46

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Solution

The fourth proportional to 20,553.58, 28,363.44 and 11,601.46 is: 16,009.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,553.58 : 28,363.44 = 11,601.46 : x
  2. Step 2: Convert to fraction form
    20,553.58/28,363.44 = 11,601.46/x
  3. Step 3: Cross multiply
    20,553.58x = 28,363.44 × 11,601.46
  4. Step 4: Simplify right side
    20,553.58x = 329,057,314.62
  5. Step 5: Solve for x
    x = 329,057,314.62/20,553.58
  6. Step 6: Final answer
    x = 16,009.73

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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.