Home / 13,607.62-20,399.13-4,840.48

Finding the Fourth Proportional to 13,607.62, 20,399.13 and 4,840.48

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Solution

The fourth proportional to 13,607.62, 20,399.13 and 4,840.48 is: 7,256.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,607.62 : 20,399.13 = 4,840.48 : x
  2. Step 2: Convert to fraction form
    13,607.62/20,399.13 = 4,840.48/x
  3. Step 3: Cross multiply
    13,607.62x = 20,399.13 × 4,840.48
  4. Step 4: Simplify right side
    13,607.62x = 98,741,656.85
  5. Step 5: Solve for x
    x = 98,741,656.85/13,607.62
  6. Step 6: Final answer
    x = 7,256.35

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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.