Home / 23,032.44-31,784.42-12,960.09

Finding the Fourth Proportional to 23,032.44, 31,784.42 and 12,960.09

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Solution

The fourth proportional to 23,032.44, 31,784.42 and 12,960.09 is: 17,884.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,032.44 : 31,784.42 = 12,960.09 : x
  2. Step 2: Convert to fraction form
    23,032.44/31,784.42 = 12,960.09/x
  3. Step 3: Cross multiply
    23,032.44x = 31,784.42 × 12,960.09
  4. Step 4: Simplify right side
    23,032.44x = 411,928,879.00
  5. Step 5: Solve for x
    x = 411,928,879.00/23,032.44
  6. Step 6: Final answer
    x = 17,884.73

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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.