Home / 26,170.85-39,260.68-12,125.14

Finding the Fourth Proportional to 26,170.85, 39,260.68 and 12,125.14

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Solution

The fourth proportional to 26,170.85, 39,260.68 and 12,125.14 is: 18,189.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,170.85 : 39,260.68 = 12,125.14 : x
  2. Step 2: Convert to fraction form
    26,170.85/39,260.68 = 12,125.14/x
  3. Step 3: Cross multiply
    26,170.85x = 39,260.68 × 12,125.14
  4. Step 4: Simplify right side
    26,170.85x = 476,041,113.03
  5. Step 5: Solve for x
    x = 476,041,113.03/26,170.85
  6. Step 6: Final answer
    x = 18,189.74

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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.