Home / 22,284.62-30,753.20-12,212.48

Finding the Fourth Proportional to 22,284.62, 30,753.20 and 12,212.48

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Solution

The fourth proportional to 22,284.62, 30,753.20 and 12,212.48 is: 16,853.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,284.62 : 30,753.20 = 12,212.48 : x
  2. Step 2: Convert to fraction form
    22,284.62/30,753.20 = 12,212.48/x
  3. Step 3: Cross multiply
    22,284.62x = 30,753.20 × 12,212.48
  4. Step 4: Simplify right side
    22,284.62x = 375,572,839.94
  5. Step 5: Solve for x
    x = 375,572,839.94/22,284.62
  6. Step 6: Final answer
    x = 16,853.45

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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.