Home / 16,855.54-23,260.62-9,685.96

Finding the Fourth Proportional to 16,855.54, 23,260.62 and 9,685.96

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Solution

The fourth proportional to 16,855.54, 23,260.62 and 9,685.96 is: 13,366.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,855.54 : 23,260.62 = 9,685.96 : x
  2. Step 2: Convert to fraction form
    16,855.54/23,260.62 = 9,685.96/x
  3. Step 3: Cross multiply
    16,855.54x = 23,260.62 × 9,685.96
  4. Step 4: Simplify right side
    16,855.54x = 225,301,434.90
  5. Step 5: Solve for x
    x = 225,301,434.90/16,855.54
  6. Step 6: Final answer
    x = 13,366.61

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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.