Home / 43,335.60-65,005.26-13,754.64

Finding the Fourth Proportional to 43,335.60, 65,005.26 and 13,754.64

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Solution

The fourth proportional to 43,335.60, 65,005.26 and 13,754.64 is: 20,632.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,335.60 : 65,005.26 = 13,754.64 : x
  2. Step 2: Convert to fraction form
    43,335.60/65,005.26 = 13,754.64/x
  3. Step 3: Cross multiply
    43,335.60x = 65,005.26 × 13,754.64
  4. Step 4: Simplify right side
    43,335.60x = 894,123,949.41
  5. Step 5: Solve for x
    x = 894,123,949.41/43,335.60
  6. Step 6: Final answer
    x = 20,632.55

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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.