Home / 22,306.39-30,783.23-12,234.22

Finding the Fourth Proportional to 22,306.39, 30,783.23 and 12,234.22

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Solution

The fourth proportional to 22,306.39, 30,783.23 and 12,234.22 is: 16,883.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,306.39 : 30,783.23 = 12,234.22 : x
  2. Step 2: Convert to fraction form
    22,306.39/30,783.23 = 12,234.22/x
  3. Step 3: Cross multiply
    22,306.39x = 30,783.23 × 12,234.22
  4. Step 4: Simplify right side
    22,306.39x = 376,608,593.04
  5. Step 5: Solve for x
    x = 376,608,593.04/22,306.39
  6. Step 6: Final answer
    x = 16,883.44

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Half scale
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Double scale
Find fourth proportional to 22,307.39, 30,784.61 and 12,235.22
Similar ratio
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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.