Home / 16,769.57-23,141.99-9,216.39

Finding the Fourth Proportional to 16,769.57, 23,141.99 and 9,216.39

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Solution

The fourth proportional to 16,769.57, 23,141.99 and 9,216.39 is: 12,718.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,769.57 : 23,141.99 = 9,216.39 : x
  2. Step 2: Convert to fraction form
    16,769.57/23,141.99 = 9,216.39/x
  3. Step 3: Cross multiply
    16,769.57x = 23,141.99 × 9,216.39
  4. Step 4: Simplify right side
    16,769.57x = 213,285,489.51
  5. Step 5: Solve for x
    x = 213,285,489.51/16,769.57
  6. Step 6: Final answer
    x = 12,718.60

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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.