Home / 13,493.64-20,240.48-5,702.52

Finding the Fourth Proportional to 13,493.64, 20,240.48 and 5,702.52

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Solution

The fourth proportional to 13,493.64, 20,240.48 and 5,702.52 is: 8,553.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,493.64 : 20,240.48 = 5,702.52 : x
  2. Step 2: Convert to fraction form
    13,493.64/20,240.48 = 5,702.52/x
  3. Step 3: Cross multiply
    13,493.64x = 20,240.48 × 5,702.52
  4. Step 4: Simplify right side
    13,493.64x = 115,421,742.01
  5. Step 5: Solve for x
    x = 115,421,742.01/13,493.64
  6. Step 6: Final answer
    x = 8,553.79

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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.