Home / 22,418.24-30,936.72-14,039.36

Finding the Fourth Proportional to 22,418.24, 30,936.72 and 14,039.36

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Solution

The fourth proportional to 22,418.24, 30,936.72 and 14,039.36 is: 19,374.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,418.24 : 30,936.72 = 14,039.36 : x
  2. Step 2: Convert to fraction form
    22,418.24/30,936.72 = 14,039.36/x
  3. Step 3: Cross multiply
    22,418.24x = 30,936.72 × 14,039.36
  4. Step 4: Simplify right side
    22,418.24x = 434,331,749.30
  5. Step 5: Solve for x
    x = 434,331,749.30/22,418.24
  6. Step 6: Final answer
    x = 19,374.03

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1.5x scale

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.