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Finding the Fourth Proportional to 18,992.84, 26,209.67 and 10,494.50

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Solution

The fourth proportional to 18,992.84, 26,209.67 and 10,494.50 is: 14,482.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,992.84 : 26,209.67 = 10,494.50 : x
  2. Step 2: Convert to fraction form
    18,992.84/26,209.67 = 10,494.50/x
  3. Step 3: Cross multiply
    18,992.84x = 26,209.67 × 10,494.50
  4. Step 4: Simplify right side
    18,992.84x = 275,057,198.29
  5. Step 5: Solve for x
    x = 275,057,198.29/18,992.84
  6. Step 6: Final answer
    x = 14,482.16

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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.