Home / 16,899.54-23,321.52-9,345.48

Finding the Fourth Proportional to 16,899.54, 23,321.52 and 9,345.48

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Solution

The fourth proportional to 16,899.54, 23,321.52 and 9,345.48 is: 12,896.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,899.54 : 23,321.52 = 9,345.48 : x
  2. Step 2: Convert to fraction form
    16,899.54/23,321.52 = 9,345.48/x
  3. Step 3: Cross multiply
    16,899.54x = 23,321.52 × 9,345.48
  4. Step 4: Simplify right side
    16,899.54x = 217,950,798.73
  5. Step 5: Solve for x
    x = 217,950,798.73/16,899.54
  6. Step 6: Final answer
    x = 12,896.85

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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.