Home / 22,192.98-30,783.30-21,395.04

Finding the Fourth Proportional to 22,192.98, 30,783.30 and 21,395.04

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Solution

The fourth proportional to 22,192.98, 30,783.30 and 21,395.04 is: 29,676.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,192.98 : 30,783.30 = 21,395.04 : x
  2. Step 2: Convert to fraction form
    22,192.98/30,783.30 = 21,395.04/x
  3. Step 3: Cross multiply
    22,192.98x = 30,783.30 × 21,395.04
  4. Step 4: Simplify right side
    22,192.98x = 658,609,934.83
  5. Step 5: Solve for x
    x = 658,609,934.83/22,192.98
  6. Step 6: Final answer
    x = 29,676.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.