Home / 18,769.77-25,891.79-16,867.08

Finding the Fourth Proportional to 18,769.77, 25,891.79 and 16,867.08

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Solution

The fourth proportional to 18,769.77, 25,891.79 and 16,867.08 is: 23,267.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,769.77 : 25,891.79 = 16,867.08 : x
  2. Step 2: Convert to fraction form
    18,769.77/25,891.79 = 16,867.08/x
  3. Step 3: Cross multiply
    18,769.77x = 25,891.79 × 16,867.08
  4. Step 4: Simplify right side
    18,769.77x = 436,718,808.94
  5. Step 5: Solve for x
    x = 436,718,808.94/18,769.77
  6. Step 6: Final answer
    x = 23,267.14

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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.