Home / 13,192.44-18,204.87-7,222.98

Finding the Fourth Proportional to 13,192.44, 18,204.87 and 7,222.98

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Solution

The fourth proportional to 13,192.44, 18,204.87 and 7,222.98 is: 9,967.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,192.44 : 18,204.87 = 7,222.98 : x
  2. Step 2: Convert to fraction form
    13,192.44/18,204.87 = 7,222.98/x
  3. Step 3: Cross multiply
    13,192.44x = 18,204.87 × 7,222.98
  4. Step 4: Simplify right side
    13,192.44x = 131,493,411.91
  5. Step 5: Solve for x
    x = 131,493,411.91/13,192.44
  6. Step 6: Final answer
    x = 9,967.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.