Home / 26,336.54-39,446.39-18,918.77

Finding the Fourth Proportional to 26,336.54, 39,446.39 and 18,918.77

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Solution

The fourth proportional to 26,336.54, 39,446.39 and 18,918.77 is: 28,336.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,336.54 : 39,446.39 = 18,918.77 : x
  2. Step 2: Convert to fraction form
    26,336.54/39,446.39 = 18,918.77/x
  3. Step 3: Cross multiply
    26,336.54x = 39,446.39 × 18,918.77
  4. Step 4: Simplify right side
    26,336.54x = 746,277,029.81
  5. Step 5: Solve for x
    x = 746,277,029.81/26,336.54
  6. Step 6: Final answer
    x = 28,336.18

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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.