Home / 33,142.13-45,736.13-18,238.13

Finding the Fourth Proportional to 33,142.13, 45,736.13 and 18,238.13

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Solution

The fourth proportional to 33,142.13, 45,736.13 and 18,238.13 is: 25,168.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,142.13 : 45,736.13 = 18,238.13 : x
  2. Step 2: Convert to fraction form
    33,142.13/45,736.13 = 18,238.13/x
  3. Step 3: Cross multiply
    33,142.13x = 45,736.13 × 18,238.13
  4. Step 4: Simplify right side
    33,142.13x = 834,141,484.64
  5. Step 5: Solve for x
    x = 834,141,484.64/33,142.13
  6. Step 6: Final answer
    x = 25,168.61

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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.