Home / 43,525.75-65,298.40-13,945.36

Finding the Fourth Proportional to 43,525.75, 65,298.40 and 13,945.36

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Solution

The fourth proportional to 43,525.75, 65,298.40 and 13,945.36 is: 20,921.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,525.75 : 65,298.40 = 13,945.36 : x
  2. Step 2: Convert to fraction form
    43,525.75/65,298.40 = 13,945.36/x
  3. Step 3: Cross multiply
    43,525.75x = 65,298.40 × 13,945.36
  4. Step 4: Simplify right side
    43,525.75x = 910,609,625.70
  5. Step 5: Solve for x
    x = 910,609,625.70/43,525.75
  6. Step 6: Final answer
    x = 20,921.17

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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.