Home / 22,110.96-30,513.62-12,551.48

Finding the Fourth Proportional to 22,110.96, 30,513.62 and 12,551.48

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Solution

The fourth proportional to 22,110.96, 30,513.62 and 12,551.48 is: 17,321.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,110.96 : 30,513.62 = 12,551.48 : x
  2. Step 2: Convert to fraction form
    22,110.96/30,513.62 = 12,551.48/x
  3. Step 3: Cross multiply
    22,110.96x = 30,513.62 × 12,551.48
  4. Step 4: Simplify right side
    22,110.96x = 382,991,091.16
  5. Step 5: Solve for x
    x = 382,991,091.16/22,110.96
  6. Step 6: Final answer
    x = 17,321.32

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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.