Home / 13,714.45-18,912.69-11,590.03

Finding the Fourth Proportional to 13,714.45, 18,912.69 and 11,590.03

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Solution

The fourth proportional to 13,714.45, 18,912.69 and 11,590.03 is: 15,983.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,714.45 : 18,912.69 = 11,590.03 : x
  2. Step 2: Convert to fraction form
    13,714.45/18,912.69 = 11,590.03/x
  3. Step 3: Cross multiply
    13,714.45x = 18,912.69 × 11,590.03
  4. Step 4: Simplify right side
    13,714.45x = 219,198,644.48
  5. Step 5: Solve for x
    x = 219,198,644.48/13,714.45
  6. Step 6: Final answer
    x = 15,983.04

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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.