Home / 19,790.92-27,311.70-12,343.24

Finding the Fourth Proportional to 19,790.92, 27,311.70 and 12,343.24

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Solution

The fourth proportional to 19,790.92, 27,311.70 and 12,343.24 is: 17,033.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,790.92 : 27,311.70 = 12,343.24 : x
  2. Step 2: Convert to fraction form
    19,790.92/27,311.70 = 12,343.24/x
  3. Step 3: Cross multiply
    19,790.92x = 27,311.70 × 12,343.24
  4. Step 4: Simplify right side
    19,790.92x = 337,114,867.91
  5. Step 5: Solve for x
    x = 337,114,867.91/19,790.92
  6. Step 6: Final answer
    x = 17,033.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.