Home / 33,215.92-45,828.66-19,783.96

Finding the Fourth Proportional to 33,215.92, 45,828.66 and 19,783.96

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Solution

The fourth proportional to 33,215.92, 45,828.66 and 19,783.96 is: 27,296.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,215.92 : 45,828.66 = 19,783.96 : x
  2. Step 2: Convert to fraction form
    33,215.92/45,828.66 = 19,783.96/x
  3. Step 3: Cross multiply
    33,215.92x = 45,828.66 × 19,783.96
  4. Step 4: Simplify right side
    33,215.92x = 906,672,376.29
  5. Step 5: Solve for x
    x = 906,672,376.29/33,215.92
  6. Step 6: Final answer
    x = 27,296.32

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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.