Home / 22,721.20-34,131.48-16,189.36

Finding the Fourth Proportional to 22,721.20, 34,131.48 and 16,189.36

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Solution

The fourth proportional to 22,721.20, 34,131.48 and 16,189.36 is: 24,319.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,721.20 : 34,131.48 = 16,189.36 : x
  2. Step 2: Convert to fraction form
    22,721.20/34,131.48 = 16,189.36/x
  3. Step 3: Cross multiply
    22,721.20x = 34,131.48 × 16,189.36
  4. Step 4: Simplify right side
    22,721.20x = 552,566,817.05
  5. Step 5: Solve for x
    x = 552,566,817.05/22,721.20
  6. Step 6: Final answer
    x = 24,319.44

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1.5x scale

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.