Home / 17,438.56-26,209.68-8,211.04

Finding the Fourth Proportional to 17,438.56, 26,209.68 and 8,211.04

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Solution

The fourth proportional to 17,438.56, 26,209.68 and 8,211.04 is: 12,340.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,438.56 : 26,209.68 = 8,211.04 : x
  2. Step 2: Convert to fraction form
    17,438.56/26,209.68 = 8,211.04/x
  3. Step 3: Cross multiply
    17,438.56x = 26,209.68 × 8,211.04
  4. Step 4: Simplify right side
    17,438.56x = 215,208,730.87
  5. Step 5: Solve for x
    x = 215,208,730.87/17,438.56
  6. Step 6: Final answer
    x = 12,340.97

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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.