Home / 33,125.96-45,697.73-19,687.68

Finding the Fourth Proportional to 33,125.96, 45,697.73 and 19,687.68

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Solution

The fourth proportional to 33,125.96, 45,697.73 and 19,687.68 is: 27,159.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,125.96 : 45,697.73 = 19,687.68 : x
  2. Step 2: Convert to fraction form
    33,125.96/45,697.73 = 19,687.68/x
  3. Step 3: Cross multiply
    33,125.96x = 45,697.73 × 19,687.68
  4. Step 4: Simplify right side
    33,125.96x = 899,682,186.53
  5. Step 5: Solve for x
    x = 899,682,186.53/33,125.96
  6. Step 6: Final answer
    x = 27,159.43

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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.