Home / 26,166.92-39,255.26-12,117.68

Finding the Fourth Proportional to 26,166.92, 39,255.26 and 12,117.68

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Solution

The fourth proportional to 26,166.92, 39,255.26 and 12,117.68 is: 18,178.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,166.92 : 39,255.26 = 12,117.68 : x
  2. Step 2: Convert to fraction form
    26,166.92/39,255.26 = 12,117.68/x
  3. Step 3: Cross multiply
    26,166.92x = 39,255.26 × 12,117.68
  4. Step 4: Simplify right side
    26,166.92x = 475,682,422.13
  5. Step 5: Solve for x
    x = 475,682,422.13/26,166.92
  6. Step 6: Final answer
    x = 18,178.77

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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.