Home / 22,192.38-30,625.56-13,243.98

Finding the Fourth Proportional to 22,192.38, 30,625.56 and 13,243.98

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Solution

The fourth proportional to 22,192.38, 30,625.56 and 13,243.98 is: 18,276.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,192.38 : 30,625.56 = 13,243.98 : x
  2. Step 2: Convert to fraction form
    22,192.38/30,625.56 = 13,243.98/x
  3. Step 3: Cross multiply
    22,192.38x = 30,625.56 × 13,243.98
  4. Step 4: Simplify right side
    22,192.38x = 405,604,304.13
  5. Step 5: Solve for x
    x = 405,604,304.13/22,192.38
  6. Step 6: Final answer
    x = 18,276.74

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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.