Home / 23,143.59-31,935.87-12,932.73

Finding the Fourth Proportional to 23,143.59, 31,935.87 and 12,932.73

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Solution

The fourth proportional to 23,143.59, 31,935.87 and 12,932.73 is: 17,845.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,143.59 : 31,935.87 = 12,932.73 : x
  2. Step 2: Convert to fraction form
    23,143.59/31,935.87 = 12,932.73/x
  3. Step 3: Cross multiply
    23,143.59x = 31,935.87 × 12,932.73
  4. Step 4: Simplify right side
    23,143.59x = 413,017,984.03
  5. Step 5: Solve for x
    x = 413,017,984.03/23,143.59
  6. Step 6: Final answer
    x = 17,845.89

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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.