Home / 23,112.54-34,654.23-12,731.58

Finding the Fourth Proportional to 23,112.54, 34,654.23 and 12,731.58

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Solution

The fourth proportional to 23,112.54, 34,654.23 and 12,731.58 is: 19,089.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,112.54 : 34,654.23 = 12,731.58 : x
  2. Step 2: Convert to fraction form
    23,112.54/34,654.23 = 12,731.58/x
  3. Step 3: Cross multiply
    23,112.54x = 34,654.23 × 12,731.58
  4. Step 4: Simplify right side
    23,112.54x = 441,203,101.58
  5. Step 5: Solve for x
    x = 441,203,101.58/23,112.54
  6. Step 6: Final answer
    x = 19,089.34

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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.