Home / 16,785.08-23,162.88-9,231.36

Finding the Fourth Proportional to 16,785.08, 23,162.88 and 9,231.36

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Solution

The fourth proportional to 16,785.08, 23,162.88 and 9,231.36 is: 12,738.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,785.08 : 23,162.88 = 9,231.36 : x
  2. Step 2: Convert to fraction form
    16,785.08/23,162.88 = 9,231.36/x
  3. Step 3: Cross multiply
    16,785.08x = 23,162.88 × 9,231.36
  4. Step 4: Simplify right side
    16,785.08x = 213,824,883.92
  5. Step 5: Solve for x
    x = 213,824,883.92/16,785.08
  6. Step 6: Final answer
    x = 12,738.99

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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.