Home / 33,115.53-45,689.29-18,773.07

Finding the Fourth Proportional to 33,115.53, 45,689.29 and 18,773.07

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Solution

The fourth proportional to 33,115.53, 45,689.29 and 18,773.07 is: 25,901.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,115.53 : 45,689.29 = 18,773.07 : x
  2. Step 2: Convert to fraction form
    33,115.53/45,689.29 = 18,773.07/x
  3. Step 3: Cross multiply
    33,115.53x = 45,689.29 × 18,773.07
  4. Step 4: Simplify right side
    33,115.53x = 857,728,239.42
  5. Step 5: Solve for x
    x = 857,728,239.42/33,115.53
  6. Step 6: Final answer
    x = 25,901.09

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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.