Home / 16,790.36-23,170.20-9,236.68

Finding the Fourth Proportional to 16,790.36, 23,170.20 and 9,236.68

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Solution

The fourth proportional to 16,790.36, 23,170.20 and 9,236.68 is: 12,746.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,790.36 : 23,170.20 = 9,236.68 : x
  2. Step 2: Convert to fraction form
    16,790.36/23,170.20 = 9,236.68/x
  3. Step 3: Cross multiply
    16,790.36x = 23,170.20 × 9,236.68
  4. Step 4: Simplify right side
    16,790.36x = 214,015,722.94
  5. Step 5: Solve for x
    x = 214,015,722.94/16,790.36
  6. Step 6: Final answer
    x = 12,746.35

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.