Home / 13,462.72-20,192.63-4,697.80

Finding the Fourth Proportional to 13,462.72, 20,192.63 and 4,697.80

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Solution

The fourth proportional to 13,462.72, 20,192.63 and 4,697.80 is: 7,046.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,462.72 : 20,192.63 = 4,697.80 : x
  2. Step 2: Convert to fraction form
    13,462.72/20,192.63 = 4,697.80/x
  3. Step 3: Cross multiply
    13,462.72x = 20,192.63 × 4,697.80
  4. Step 4: Simplify right side
    13,462.72x = 94,860,836.25
  5. Step 5: Solve for x
    x = 94,860,836.25/13,462.72
  6. Step 6: Final answer
    x = 7,046.19

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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.