Home / 43,575.81-65,363.73-13,996.05

Finding the Fourth Proportional to 43,575.81, 65,363.73 and 13,996.05

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Solution

The fourth proportional to 43,575.81, 65,363.73 and 13,996.05 is: 20,994.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,575.81 : 65,363.73 = 13,996.05 : x
  2. Step 2: Convert to fraction form
    43,575.81/65,363.73 = 13,996.05/x
  3. Step 3: Cross multiply
    43,575.81x = 65,363.73 × 13,996.05
  4. Step 4: Simplify right side
    43,575.81x = 914,834,033.27
  5. Step 5: Solve for x
    x = 914,834,033.27/43,575.81
  6. Step 6: Final answer
    x = 20,994.08

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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.