Home / 20,264.06-30,397.23-5,474.15

Finding the Fourth Proportional to 20,264.06, 30,397.23 and 5,474.15

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Solution

The fourth proportional to 20,264.06, 30,397.23 and 5,474.15 is: 8,211.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,264.06 : 30,397.23 = 5,474.15 : x
  2. Step 2: Convert to fraction form
    20,264.06/30,397.23 = 5,474.15/x
  3. Step 3: Cross multiply
    20,264.06x = 30,397.23 × 5,474.15
  4. Step 4: Simplify right side
    20,264.06x = 166,398,844.62
  5. Step 5: Solve for x
    x = 166,398,844.62/20,264.06
  6. Step 6: Final answer
    x = 8,211.53

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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.