Home / 15,832.42-23,739.86-6,479

Finding the Fourth Proportional to 15,832.42, 23,739.86 and 6,479

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Solution

The fourth proportional to 15,832.42, 23,739.86 and 6,479 is: 9,714.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,832.42 : 23,739.86 = 6,479 : x
  2. Step 2: Convert to fraction form
    15,832.42/23,739.86 = 6,479/x
  3. Step 3: Cross multiply
    15,832.42x = 23,739.86 × 6,479
  4. Step 4: Simplify right side
    15,832.42x = 153,810,552.94
  5. Step 5: Solve for x
    x = 153,810,552.94/15,832.42
  6. Step 6: Final answer
    x = 9,714.91

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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.