Home / 13,714.92-20,559.42-5,400.36

Finding the Fourth Proportional to 13,714.92, 20,559.42 and 5,400.36

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Solution

The fourth proportional to 13,714.92, 20,559.42 and 5,400.36 is: 8,095.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,714.92 : 20,559.42 = 5,400.36 : x
  2. Step 2: Convert to fraction form
    13,714.92/20,559.42 = 5,400.36/x
  3. Step 3: Cross multiply
    13,714.92x = 20,559.42 × 5,400.36
  4. Step 4: Simplify right side
    13,714.92x = 111,028,269.39
  5. Step 5: Solve for x
    x = 111,028,269.39/13,714.92
  6. Step 6: Final answer
    x = 8,095.44

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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.