Home / 23,142.78-34,714.26-5,612.58

Finding the Fourth Proportional to 23,142.78, 34,714.26 and 5,612.58

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Solution

The fourth proportional to 23,142.78, 34,714.26 and 5,612.58 is: 8,418.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,142.78 : 34,714.26 = 5,612.58 : x
  2. Step 2: Convert to fraction form
    23,142.78/34,714.26 = 5,612.58/x
  3. Step 3: Cross multiply
    23,142.78x = 34,714.26 × 5,612.58
  4. Step 4: Simplify right side
    23,142.78x = 194,836,561.39
  5. Step 5: Solve for x
    x = 194,836,561.39/23,142.78
  6. Step 6: Final answer
    x = 8,418.89

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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.