Home / 18,092.88-27,141.90-5,613.98

Finding the Fourth Proportional to 18,092.88, 27,141.90 and 5,613.98

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Solution

The fourth proportional to 18,092.88, 27,141.90 and 5,613.98 is: 8,421.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,092.88 : 27,141.90 = 5,613.98 : x
  2. Step 2: Convert to fraction form
    18,092.88/27,141.90 = 5,613.98/x
  3. Step 3: Cross multiply
    18,092.88x = 27,141.90 × 5,613.98
  4. Step 4: Simplify right side
    18,092.88x = 152,374,055.69
  5. Step 5: Solve for x
    x = 152,374,055.69/18,092.88
  6. Step 6: Final answer
    x = 8,421.77

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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.