Home / 16,769.52-23,141.82-9,215.92

Finding the Fourth Proportional to 16,769.52, 23,141.82 and 9,215.92

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Solution

The fourth proportional to 16,769.52, 23,141.82 and 9,215.92 is: 12,717.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,769.52 : 23,141.82 = 9,215.92 : x
  2. Step 2: Convert to fraction form
    16,769.52/23,141.82 = 9,215.92/x
  3. Step 3: Cross multiply
    16,769.52x = 23,141.82 × 9,215.92
  4. Step 4: Simplify right side
    16,769.52x = 213,273,161.77
  5. Step 5: Solve for x
    x = 213,273,161.77/16,769.52
  6. Step 6: Final answer
    x = 12,717.90

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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.