Home / 22,342.10-30,832.31-12,270.75

Finding the Fourth Proportional to 22,342.10, 30,832.31 and 12,270.75

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Solution

The fourth proportional to 22,342.10, 30,832.31 and 12,270.75 is: 16,933.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,342.10 : 30,832.31 = 12,270.75 : x
  2. Step 2: Convert to fraction form
    22,342.10/30,832.31 = 12,270.75/x
  3. Step 3: Cross multiply
    22,342.10x = 30,832.31 × 12,270.75
  4. Step 4: Simplify right side
    22,342.10x = 378,335,506.58
  5. Step 5: Solve for x
    x = 378,335,506.58/22,342.10
  6. Step 6: Final answer
    x = 16,933.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.