Home / 27,320.82-40,883.70-19,833.06

Finding the Fourth Proportional to 27,320.82, 40,883.70 and 19,833.06

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Solution

The fourth proportional to 27,320.82, 40,883.70 and 19,833.06 is: 29,678.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,320.82 : 40,883.70 = 19,833.06 : x
  2. Step 2: Convert to fraction form
    27,320.82/40,883.70 = 19,833.06/x
  3. Step 3: Cross multiply
    27,320.82x = 40,883.70 × 19,833.06
  4. Step 4: Simplify right side
    27,320.82x = 810,848,875.12
  5. Step 5: Solve for x
    x = 810,848,875.12/27,320.82
  6. Step 6: Final answer
    x = 29,678.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.