Home / 22,635.15-31,234.99-12,563.56

Finding the Fourth Proportional to 22,635.15, 31,234.99 and 12,563.56

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Solution

The fourth proportional to 22,635.15, 31,234.99 and 12,563.56 is: 17,336.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,635.15 : 31,234.99 = 12,563.56 : x
  2. Step 2: Convert to fraction form
    22,635.15/31,234.99 = 12,563.56/x
  3. Step 3: Cross multiply
    22,635.15x = 31,234.99 × 12,563.56
  4. Step 4: Simplify right side
    22,635.15x = 392,422,561.79
  5. Step 5: Solve for x
    x = 392,422,561.79/22,635.15
  6. Step 6: Final answer
    x = 17,336.87

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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.