Home / 33,193.83-45,807.69-19,765.65

Finding the Fourth Proportional to 33,193.83, 45,807.69 and 19,765.65

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Solution

The fourth proportional to 33,193.83, 45,807.69 and 19,765.65 is: 27,276.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,193.83 : 45,807.69 = 19,765.65 : x
  2. Step 2: Convert to fraction form
    33,193.83/45,807.69 = 19,765.65/x
  3. Step 3: Cross multiply
    33,193.83x = 45,807.69 × 19,765.65
  4. Step 4: Simplify right side
    33,193.83x = 905,418,767.85
  5. Step 5: Solve for x
    x = 905,418,767.85/33,193.83
  6. Step 6: Final answer
    x = 27,276.72

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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.