Home / 13,714.12-20,578.62-5,821.07

Finding the Fourth Proportional to 13,714.12, 20,578.62 and 5,821.07

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Solution

The fourth proportional to 13,714.12, 20,578.62 and 5,821.07 is: 8,734.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,714.12 : 20,578.62 = 5,821.07 : x
  2. Step 2: Convert to fraction form
    13,714.12/20,578.62 = 5,821.07/x
  3. Step 3: Cross multiply
    13,714.12x = 20,578.62 × 5,821.07
  4. Step 4: Simplify right side
    13,714.12x = 119,789,587.52
  5. Step 5: Solve for x
    x = 119,789,587.52/13,714.12
  6. Step 6: Final answer
    x = 8,734.76

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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.