Home / 18,195.16-27,293.28-5,048.50

Finding the Fourth Proportional to 18,195.16, 27,293.28 and 5,048.50

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Solution

The fourth proportional to 18,195.16, 27,293.28 and 5,048.50 is: 7,572.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,195.16 : 27,293.28 = 5,048.50 : x
  2. Step 2: Convert to fraction form
    18,195.16/27,293.28 = 5,048.50/x
  3. Step 3: Cross multiply
    18,195.16x = 27,293.28 × 5,048.50
  4. Step 4: Simplify right side
    18,195.16x = 137,790,124.08
  5. Step 5: Solve for x
    x = 137,790,124.08/18,195.16
  6. Step 6: Final answer
    x = 7,572.90

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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.