Home / 18,194.68-27,302.50-7,663.88

Finding the Fourth Proportional to 18,194.68, 27,302.50 and 7,663.88

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Solution

The fourth proportional to 18,194.68, 27,302.50 and 7,663.88 is: 11,500.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,194.68 : 27,302.50 = 7,663.88 : x
  2. Step 2: Convert to fraction form
    18,194.68/27,302.50 = 7,663.88/x
  3. Step 3: Cross multiply
    18,194.68x = 27,302.50 × 7,663.88
  4. Step 4: Simplify right side
    18,194.68x = 209,243,083.70
  5. Step 5: Solve for x
    x = 209,243,083.70/18,194.68
  6. Step 6: Final answer
    x = 11,500.23

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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.