Home / 13,702.26-20,540.81-4,935.05

Finding the Fourth Proportional to 13,702.26, 20,540.81 and 4,935.05

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Solution

The fourth proportional to 13,702.26, 20,540.81 and 4,935.05 is: 7,398.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,702.26 : 20,540.81 = 4,935.05 : x
  2. Step 2: Convert to fraction form
    13,702.26/20,540.81 = 4,935.05/x
  3. Step 3: Cross multiply
    13,702.26x = 20,540.81 × 4,935.05
  4. Step 4: Simplify right side
    13,702.26x = 101,369,834.02
  5. Step 5: Solve for x
    x = 101,369,834.02/13,702.26
  6. Step 6: Final answer
    x = 7,398.04

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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.