Home / 34,866.36-52,320.11-13,808.43

Finding the Fourth Proportional to 34,866.36, 52,320.11 and 13,808.43

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Solution

The fourth proportional to 34,866.36, 52,320.11 and 13,808.43 is: 20,720.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,866.36 : 52,320.11 = 13,808.43 : x
  2. Step 2: Convert to fraction form
    34,866.36/52,320.11 = 13,808.43/x
  3. Step 3: Cross multiply
    34,866.36x = 52,320.11 × 13,808.43
  4. Step 4: Simplify right side
    34,866.36x = 722,458,507.49
  5. Step 5: Solve for x
    x = 722,458,507.49/34,866.36
  6. Step 6: Final answer
    x = 20,720.79

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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.