Home / 43,575.18-65,369.25-13,993.98

Finding the Fourth Proportional to 43,575.18, 65,369.25 and 13,993.98

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Solution

The fourth proportional to 43,575.18, 65,369.25 and 13,993.98 is: 20,993.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,575.18 : 65,369.25 = 13,993.98 : x
  2. Step 2: Convert to fraction form
    43,575.18/65,369.25 = 13,993.98/x
  3. Step 3: Cross multiply
    43,575.18x = 65,369.25 × 13,993.98
  4. Step 4: Simplify right side
    43,575.18x = 914,775,977.12
  5. Step 5: Solve for x
    x = 914,775,977.12/43,575.18
  6. Step 6: Final answer
    x = 20,993.05

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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.