Home / 22,651.56-31,257.60-12,579.48

Finding the Fourth Proportional to 22,651.56, 31,257.60 and 12,579.48

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Solution

The fourth proportional to 22,651.56, 31,257.60 and 12,579.48 is: 17,358.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,651.56 : 31,257.60 = 12,579.48 : x
  2. Step 2: Convert to fraction form
    22,651.56/31,257.60 = 12,579.48/x
  3. Step 3: Cross multiply
    22,651.56x = 31,257.60 × 12,579.48
  4. Step 4: Simplify right side
    22,651.56x = 393,204,354.05
  5. Step 5: Solve for x
    x = 393,204,354.05/22,651.56
  6. Step 6: Final answer
    x = 17,358.82

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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.