Home / 19,003.04-28,519.92-9,771.68

Finding the Fourth Proportional to 19,003.04, 28,519.92 and 9,771.68

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Solution

The fourth proportional to 19,003.04, 28,519.92 and 9,771.68 is: 14,665.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,003.04 : 28,519.92 = 9,771.68 : x
  2. Step 2: Convert to fraction form
    19,003.04/28,519.92 = 9,771.68/x
  3. Step 3: Cross multiply
    19,003.04x = 28,519.92 × 9,771.68
  4. Step 4: Simplify right side
    19,003.04x = 278,687,531.87
  5. Step 5: Solve for x
    x = 278,687,531.87/19,003.04
  6. Step 6: Final answer
    x = 14,665.42

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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.