Home / 43,655.14-65,453.55-13,659.22

Finding the Fourth Proportional to 43,655.14, 65,453.55 and 13,659.22

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Solution

The fourth proportional to 43,655.14, 65,453.55 and 13,659.22 is: 20,479.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,655.14 : 65,453.55 = 13,659.22 : x
  2. Step 2: Convert to fraction form
    43,655.14/65,453.55 = 13,659.22/x
  3. Step 3: Cross multiply
    43,655.14x = 65,453.55 × 13,659.22
  4. Step 4: Simplify right side
    43,655.14x = 894,044,439.23
  5. Step 5: Solve for x
    x = 894,044,439.23/43,655.14
  6. Step 6: Final answer
    x = 20,479.71

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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.