Home / 15,481.71-23,218.43-6,714.57

Finding the Fourth Proportional to 15,481.71, 23,218.43 and 6,714.57

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Solution

The fourth proportional to 15,481.71, 23,218.43 and 6,714.57 is: 10,070.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,481.71 : 23,218.43 = 6,714.57 : x
  2. Step 2: Convert to fraction form
    15,481.71/23,218.43 = 6,714.57/x
  3. Step 3: Cross multiply
    15,481.71x = 23,218.43 × 6,714.57
  4. Step 4: Simplify right side
    15,481.71x = 155,901,739.95
  5. Step 5: Solve for x
    x = 155,901,739.95/15,481.71
  6. Step 6: Final answer
    x = 10,070.06

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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.