Home / 13,757.02-20,636.68-4,398.37

Finding the Fourth Proportional to 13,757.02, 20,636.68 and 4,398.37

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Solution

The fourth proportional to 13,757.02, 20,636.68 and 4,398.37 is: 6,597.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,757.02 : 20,636.68 = 4,398.37 : x
  2. Step 2: Convert to fraction form
    13,757.02/20,636.68 = 4,398.37/x
  3. Step 3: Cross multiply
    13,757.02x = 20,636.68 × 4,398.37
  4. Step 4: Simplify right side
    13,757.02x = 90,767,743.22
  5. Step 5: Solve for x
    x = 90,767,743.22/13,757.02
  6. Step 6: Final answer
    x = 6,597.92

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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.