Home / 16,379.85-22,604.19-9,306.28

Finding the Fourth Proportional to 16,379.85, 22,604.19 and 9,306.28

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Solution

The fourth proportional to 16,379.85, 22,604.19 and 9,306.28 is: 12,842.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,379.85 : 22,604.19 = 9,306.28 : x
  2. Step 2: Convert to fraction form
    16,379.85/22,604.19 = 9,306.28/x
  3. Step 3: Cross multiply
    16,379.85x = 22,604.19 × 9,306.28
  4. Step 4: Simplify right side
    16,379.85x = 210,360,864.80
  5. Step 5: Solve for x
    x = 210,360,864.80/16,379.85
  6. Step 6: Final answer
    x = 12,842.66

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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.