Home / 18,703.88-28,060.44-5,556.23

Finding the Fourth Proportional to 18,703.88, 28,060.44 and 5,556.23

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Solution

The fourth proportional to 18,703.88, 28,060.44 and 5,556.23 is: 8,335.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,703.88 : 28,060.44 = 5,556.23 : x
  2. Step 2: Convert to fraction form
    18,703.88/28,060.44 = 5,556.23/x
  3. Step 3: Cross multiply
    18,703.88x = 28,060.44 × 5,556.23
  4. Step 4: Simplify right side
    18,703.88x = 155,910,090.46
  5. Step 5: Solve for x
    x = 155,910,090.46/18,703.88
  6. Step 6: Final answer
    x = 8,335.71

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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.