Home / 12,735.72-19,095.92-5,714.44

Finding the Fourth Proportional to 12,735.72, 19,095.92 and 5,714.44

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Solution

The fourth proportional to 12,735.72, 19,095.92 and 5,714.44 is: 8,568.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,735.72 : 19,095.92 = 5,714.44 : x
  2. Step 2: Convert to fraction form
    12,735.72/19,095.92 = 5,714.44/x
  3. Step 3: Cross multiply
    12,735.72x = 19,095.92 × 5,714.44
  4. Step 4: Simplify right side
    12,735.72x = 109,122,489.08
  5. Step 5: Solve for x
    x = 109,122,489.08/12,735.72
  6. Step 6: Final answer
    x = 8,568.22

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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.