Home / 12,020.74-16,585.33-8,244.84

Finding the Fourth Proportional to 12,020.74, 16,585.33 and 8,244.84

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Solution

The fourth proportional to 12,020.74, 16,585.33 and 8,244.84 is: 11,375.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,020.74 : 16,585.33 = 8,244.84 : x
  2. Step 2: Convert to fraction form
    12,020.74/16,585.33 = 8,244.84/x
  3. Step 3: Cross multiply
    12,020.74x = 16,585.33 × 8,244.84
  4. Step 4: Simplify right side
    12,020.74x = 136,743,392.20
  5. Step 5: Solve for x
    x = 136,743,392.20/12,020.74
  6. Step 6: Final answer
    x = 11,375.62

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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.