Home / 13,488.93-20,232.45-3,627.99

Finding the Fourth Proportional to 13,488.93, 20,232.45 and 3,627.99

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Solution

The fourth proportional to 13,488.93, 20,232.45 and 3,627.99 is: 5,441.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,488.93 : 20,232.45 = 3,627.99 : x
  2. Step 2: Convert to fraction form
    13,488.93/20,232.45 = 3,627.99/x
  3. Step 3: Cross multiply
    13,488.93x = 20,232.45 × 3,627.99
  4. Step 4: Simplify right side
    13,488.93x = 73,403,126.28
  5. Step 5: Solve for x
    x = 73,403,126.28/13,488.93
  6. Step 6: Final answer
    x = 5,441.73

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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.