Home / 23,635.55-32,615.05-13,563.78

Finding the Fourth Proportional to 23,635.55, 32,615.05 and 13,563.78

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Solution

The fourth proportional to 23,635.55, 32,615.05 and 13,563.78 is: 18,716.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,635.55 : 32,615.05 = 13,563.78 : x
  2. Step 2: Convert to fraction form
    23,635.55/32,615.05 = 13,563.78/x
  3. Step 3: Cross multiply
    23,635.55x = 32,615.05 × 13,563.78
  4. Step 4: Simplify right side
    23,635.55x = 442,383,285.69
  5. Step 5: Solve for x
    x = 442,383,285.69/23,635.55
  6. Step 6: Final answer
    x = 18,716.86

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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.