Home / 14,481.80-21,717.30-5,714.90

Finding the Fourth Proportional to 14,481.80, 21,717.30 and 5,714.90

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Solution

The fourth proportional to 14,481.80, 21,717.30 and 5,714.90 is: 8,570.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,481.80 : 21,717.30 = 5,714.90 : x
  2. Step 2: Convert to fraction form
    14,481.80/21,717.30 = 5,714.90/x
  3. Step 3: Cross multiply
    14,481.80x = 21,717.30 × 5,714.90
  4. Step 4: Simplify right side
    14,481.80x = 124,112,197.77
  5. Step 5: Solve for x
    x = 124,112,197.77/14,481.80
  6. Step 6: Final answer
    x = 8,570.22

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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.