Home / 22,403.56-30,918.82-12,333.96

Finding the Fourth Proportional to 22,403.56, 30,918.82 and 12,333.96

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Solution

The fourth proportional to 22,403.56, 30,918.82 and 12,333.96 is: 17,021.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,403.56 : 30,918.82 = 12,333.96 : x
  2. Step 2: Convert to fraction form
    22,403.56/30,918.82 = 12,333.96/x
  3. Step 3: Cross multiply
    22,403.56x = 30,918.82 × 12,333.96
  4. Step 4: Simplify right side
    22,403.56x = 381,351,489.13
  5. Step 5: Solve for x
    x = 381,351,489.13/22,403.56
  6. Step 6: Final answer
    x = 17,021.91

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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.