Home / 26,168.60-39,257.30-12,122.89

Finding the Fourth Proportional to 26,168.60, 39,257.30 and 12,122.89

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Solution

The fourth proportional to 26,168.60, 39,257.30 and 12,122.89 is: 18,186.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,168.60 : 39,257.30 = 12,122.89 : x
  2. Step 2: Convert to fraction form
    26,168.60/39,257.30 = 12,122.89/x
  3. Step 3: Cross multiply
    26,168.60x = 39,257.30 × 12,122.89
  4. Step 4: Simplify right side
    26,168.60x = 475,911,861.76
  5. Step 5: Solve for x
    x = 475,911,861.76/26,168.60
  6. Step 6: Final answer
    x = 18,186.37

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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.