Home / 43,257.63-64,896.05-13,276.03

Finding the Fourth Proportional to 43,257.63, 64,896.05 and 13,276.03

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Solution

The fourth proportional to 43,257.63, 64,896.05 and 13,276.03 is: 19,916.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,257.63 : 64,896.05 = 13,276.03 : x
  2. Step 2: Convert to fraction form
    43,257.63/64,896.05 = 13,276.03/x
  3. Step 3: Cross multiply
    43,257.63x = 64,896.05 × 13,276.03
  4. Step 4: Simplify right side
    43,257.63x = 861,561,906.68
  5. Step 5: Solve for x
    x = 861,561,906.68/43,257.63
  6. Step 6: Final answer
    x = 19,916.99

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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.