Home / 13,530.20-20,296.92-5,738

Finding the Fourth Proportional to 13,530.20, 20,296.92 and 5,738

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Solution

The fourth proportional to 13,530.20, 20,296.92 and 5,738 is: 8,607.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,530.20 : 20,296.92 = 5,738 : x
  2. Step 2: Convert to fraction form
    13,530.20/20,296.92 = 5,738/x
  3. Step 3: Cross multiply
    13,530.20x = 20,296.92 × 5,738
  4. Step 4: Simplify right side
    13,530.20x = 116,463,726.96
  5. Step 5: Solve for x
    x = 116,463,726.96/13,530.20
  6. Step 6: Final answer
    x = 8,607.69

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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.