Home / 18,342.72-27,505.66-5,859.98

Finding the Fourth Proportional to 18,342.72, 27,505.66 and 5,859.98

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Solution

The fourth proportional to 18,342.72, 27,505.66 and 5,859.98 is: 8,787.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,342.72 : 27,505.66 = 5,859.98 : x
  2. Step 2: Convert to fraction form
    18,342.72/27,505.66 = 5,859.98/x
  3. Step 3: Cross multiply
    18,342.72x = 27,505.66 × 5,859.98
  4. Step 4: Simplify right side
    18,342.72x = 161,182,617.49
  5. Step 5: Solve for x
    x = 161,182,617.49/18,342.72
  6. Step 6: Final answer
    x = 8,787.28

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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.