Home / 14,714.60-20,315.92-11,305.54

Finding the Fourth Proportional to 14,714.60, 20,315.92 and 11,305.54

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Solution

The fourth proportional to 14,714.60, 20,315.92 and 11,305.54 is: 15,609.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,714.60 : 20,315.92 = 11,305.54 : x
  2. Step 2: Convert to fraction form
    14,714.60/20,315.92 = 11,305.54/x
  3. Step 3: Cross multiply
    14,714.60x = 20,315.92 × 11,305.54
  4. Step 4: Simplify right side
    14,714.60x = 229,682,446.20
  5. Step 5: Solve for x
    x = 229,682,446.20/14,714.60
  6. Step 6: Final answer
    x = 15,609.15

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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.