Home / 33,305.68-45,961.32-18,198.16

Finding the Fourth Proportional to 33,305.68, 45,961.32 and 18,198.16

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Solution

The fourth proportional to 33,305.68, 45,961.32 and 18,198.16 is: 25,113.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,305.68 : 45,961.32 = 18,198.16 : x
  2. Step 2: Convert to fraction form
    33,305.68/45,961.32 = 18,198.16/x
  3. Step 3: Cross multiply
    33,305.68x = 45,961.32 × 18,198.16
  4. Step 4: Simplify right side
    33,305.68x = 836,411,455.17
  5. Step 5: Solve for x
    x = 836,411,455.17/33,305.68
  6. Step 6: Final answer
    x = 25,113.18

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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.