Home / 20,589.57-30,860.48-9,472.92

Finding the Fourth Proportional to 20,589.57, 30,860.48 and 9,472.92

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Solution

The fourth proportional to 20,589.57, 30,860.48 and 9,472.92 is: 14,198.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,589.57 : 30,860.48 = 9,472.92 : x
  2. Step 2: Convert to fraction form
    20,589.57/30,860.48 = 9,472.92/x
  3. Step 3: Cross multiply
    20,589.57x = 30,860.48 × 9,472.92
  4. Step 4: Simplify right side
    20,589.57x = 292,338,810.84
  5. Step 5: Solve for x
    x = 292,338,810.84/20,589.57
  6. Step 6: Final answer
    x = 14,198.39

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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.