Home / 18,631.17-27,949.52-6,152.50

Finding the Fourth Proportional to 18,631.17, 27,949.52 and 6,152.50

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Solution

The fourth proportional to 18,631.17, 27,949.52 and 6,152.50 is: 9,229.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,631.17 : 27,949.52 = 6,152.50 : x
  2. Step 2: Convert to fraction form
    18,631.17/27,949.52 = 6,152.50/x
  3. Step 3: Cross multiply
    18,631.17x = 27,949.52 × 6,152.50
  4. Step 4: Simplify right side
    18,631.17x = 171,959,421.80
  5. Step 5: Solve for x
    x = 171,959,421.80/18,631.17
  6. Step 6: Final answer
    x = 9,229.66

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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.