Home / 18,999.04-28,504.33-13,463.09

Finding the Fourth Proportional to 18,999.04, 28,504.33 and 13,463.09

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Solution

The fourth proportional to 18,999.04, 28,504.33 and 13,463.09 is: 20,198.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,999.04 : 28,504.33 = 13,463.09 : x
  2. Step 2: Convert to fraction form
    18,999.04/28,504.33 = 13,463.09/x
  3. Step 3: Cross multiply
    18,999.04x = 28,504.33 × 13,463.09
  4. Step 4: Simplify right side
    18,999.04x = 383,756,397.78
  5. Step 5: Solve for x
    x = 383,756,397.78/18,999.04
  6. Step 6: Final answer
    x = 20,198.73

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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.