Home / 23,412.70-32,306-13,203.28

Finding the Fourth Proportional to 23,412.70, 32,306 and 13,203.28

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Solution

The fourth proportional to 23,412.70, 32,306 and 13,203.28 is: 18,218.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,412.70 : 32,306 = 13,203.28 : x
  2. Step 2: Convert to fraction form
    23,412.70/32,306 = 13,203.28/x
  3. Step 3: Cross multiply
    23,412.70x = 32,306 × 13,203.28
  4. Step 4: Simplify right side
    23,412.70x = 426,545,163.68
  5. Step 5: Solve for x
    x = 426,545,163.68/23,412.70
  6. Step 6: Final answer
    x = 18,218.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.