Home / 22,336.63-30,822.25-13,383.90

Finding the Fourth Proportional to 22,336.63, 30,822.25 and 13,383.90

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Solution

The fourth proportional to 22,336.63, 30,822.25 and 13,383.90 is: 18,468.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,336.63 : 30,822.25 = 13,383.90 : x
  2. Step 2: Convert to fraction form
    22,336.63/30,822.25 = 13,383.90/x
  3. Step 3: Cross multiply
    22,336.63x = 30,822.25 × 13,383.90
  4. Step 4: Simplify right side
    22,336.63x = 412,521,911.78
  5. Step 5: Solve for x
    x = 412,521,911.78/22,336.63
  6. Step 6: Final answer
    x = 18,468.40

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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.