Home / 36,660.52-54,990.76-13,286.92

Finding the Fourth Proportional to 36,660.52, 54,990.76 and 13,286.92

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Solution

The fourth proportional to 36,660.52, 54,990.76 and 13,286.92 is: 19,930.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,660.52 : 54,990.76 = 13,286.92 : x
  2. Step 2: Convert to fraction form
    36,660.52/54,990.76 = 13,286.92/x
  3. Step 3: Cross multiply
    36,660.52x = 54,990.76 × 13,286.92
  4. Step 4: Simplify right side
    36,660.52x = 730,657,828.86
  5. Step 5: Solve for x
    x = 730,657,828.86/36,660.52
  6. Step 6: Final answer
    x = 19,930.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.