Home / 33,165.28-45,769.74-19,018.12

Finding the Fourth Proportional to 33,165.28, 45,769.74 and 19,018.12

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Solution

The fourth proportional to 33,165.28, 45,769.74 and 19,018.12 is: 26,245.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,165.28 : 45,769.74 = 19,018.12 : x
  2. Step 2: Convert to fraction form
    33,165.28/45,769.74 = 19,018.12/x
  3. Step 3: Cross multiply
    33,165.28x = 45,769.74 × 19,018.12
  4. Step 4: Simplify right side
    33,165.28x = 870,454,407.69
  5. Step 5: Solve for x
    x = 870,454,407.69/33,165.28
  6. Step 6: Final answer
    x = 26,245.95

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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.