Home / 22,463.43-30,999.53-12,391.89

Finding the Fourth Proportional to 22,463.43, 30,999.53 and 12,391.89

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Solution

The fourth proportional to 22,463.43, 30,999.53 and 12,391.89 is: 17,100.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,463.43 : 30,999.53 = 12,391.89 : x
  2. Step 2: Convert to fraction form
    22,463.43/30,999.53 = 12,391.89/x
  3. Step 3: Cross multiply
    22,463.43x = 30,999.53 × 12,391.89
  4. Step 4: Simplify right side
    22,463.43x = 384,142,843.31
  5. Step 5: Solve for x
    x = 384,142,843.31/22,463.43
  6. Step 6: Final answer
    x = 17,100.81

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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.