Home / 22,306.82-30,783.46-12,235.35

Finding the Fourth Proportional to 22,306.82, 30,783.46 and 12,235.35

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Solution

The fourth proportional to 22,306.82, 30,783.46 and 12,235.35 is: 16,884.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,306.82 : 30,783.46 = 12,235.35 : x
  2. Step 2: Convert to fraction form
    22,306.82/30,783.46 = 12,235.35/x
  3. Step 3: Cross multiply
    22,306.82x = 30,783.46 × 12,235.35
  4. Step 4: Simplify right side
    22,306.82x = 376,646,407.31
  5. Step 5: Solve for x
    x = 376,646,407.31/22,306.82
  6. Step 6: Final answer
    x = 16,884.81

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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.