Home / 18,630.84-27,947.56-6,159.65

Finding the Fourth Proportional to 18,630.84, 27,947.56 and 6,159.65

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Solution

The fourth proportional to 18,630.84, 27,947.56 and 6,159.65 is: 9,239.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,630.84 : 27,947.56 = 6,159.65 : x
  2. Step 2: Convert to fraction form
    18,630.84/27,947.56 = 6,159.65/x
  3. Step 3: Cross multiply
    18,630.84x = 27,947.56 × 6,159.65
  4. Step 4: Simplify right side
    18,630.84x = 172,147,066.02
  5. Step 5: Solve for x
    x = 172,147,066.02/18,630.84
  6. Step 6: Final answer
    x = 9,239.90

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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.