Home / 17,982.92-26,988.83-8,123.06

Finding the Fourth Proportional to 17,982.92, 26,988.83 and 8,123.06

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Solution

The fourth proportional to 17,982.92, 26,988.83 and 8,123.06 is: 12,191.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,982.92 : 26,988.83 = 8,123.06 : x
  2. Step 2: Convert to fraction form
    17,982.92/26,988.83 = 8,123.06/x
  3. Step 3: Cross multiply
    17,982.92x = 26,988.83 × 8,123.06
  4. Step 4: Simplify right side
    17,982.92x = 219,231,709.86
  5. Step 5: Solve for x
    x = 219,231,709.86/17,982.92
  6. Step 6: Final answer
    x = 12,191.11

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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.