Home / 22,218.76-33,327.26-12,351.80

Finding the Fourth Proportional to 22,218.76, 33,327.26 and 12,351.80

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Solution

The fourth proportional to 22,218.76, 33,327.26 and 12,351.80 is: 18,527.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,218.76 : 33,327.26 = 12,351.80 : x
  2. Step 2: Convert to fraction form
    22,218.76/33,327.26 = 12,351.80/x
  3. Step 3: Cross multiply
    22,218.76x = 33,327.26 × 12,351.80
  4. Step 4: Simplify right side
    22,218.76x = 411,651,650.07
  5. Step 5: Solve for x
    x = 411,651,650.07/22,218.76
  6. Step 6: Final answer
    x = 18,527.21

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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.