Home / 12,234.49-18,323.92-11,957.73

Finding the Fourth Proportional to 12,234.49, 18,323.92 and 11,957.73

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Solution

The fourth proportional to 12,234.49, 18,323.92 and 11,957.73 is: 17,909.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,234.49 : 18,323.92 = 11,957.73 : x
  2. Step 2: Convert to fraction form
    12,234.49/18,323.92 = 11,957.73/x
  3. Step 3: Cross multiply
    12,234.49x = 18,323.92 × 11,957.73
  4. Step 4: Simplify right side
    12,234.49x = 219,112,434.13
  5. Step 5: Solve for x
    x = 219,112,434.13/12,234.49
  6. Step 6: Final answer
    x = 17,909.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.