Home / 18,466.79-27,702.09-5,986.31

Finding the Fourth Proportional to 18,466.79, 27,702.09 and 5,986.31

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Solution

The fourth proportional to 18,466.79, 27,702.09 and 5,986.31 is: 8,980.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,466.79 : 27,702.09 = 5,986.31 : x
  2. Step 2: Convert to fraction form
    18,466.79/27,702.09 = 5,986.31/x
  3. Step 3: Cross multiply
    18,466.79x = 27,702.09 × 5,986.31
  4. Step 4: Simplify right side
    18,466.79x = 165,833,159.88
  5. Step 5: Solve for x
    x = 165,833,159.88/18,466.79
  6. Step 6: Final answer
    x = 8,980.08

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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.