Home / 22,329.44-30,817.09-12,770.22

Finding the Fourth Proportional to 22,329.44, 30,817.09 and 12,770.22

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Solution

The fourth proportional to 22,329.44, 30,817.09 and 12,770.22 is: 17,624.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,329.44 : 30,817.09 = 12,770.22 : x
  2. Step 2: Convert to fraction form
    22,329.44/30,817.09 = 12,770.22/x
  3. Step 3: Cross multiply
    22,329.44x = 30,817.09 × 12,770.22
  4. Step 4: Simplify right side
    22,329.44x = 393,540,987.13
  5. Step 5: Solve for x
    x = 393,540,987.13/22,329.44
  6. Step 6: Final answer
    x = 17,624.31

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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.