Home / 22,347.62-30,838.20-12,276.49

Finding the Fourth Proportional to 22,347.62, 30,838.20 and 12,276.49

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Solution

The fourth proportional to 22,347.62, 30,838.20 and 12,276.49 is: 16,940.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,347.62 : 30,838.20 = 12,276.49 : x
  2. Step 2: Convert to fraction form
    22,347.62/30,838.20 = 12,276.49/x
  3. Step 3: Cross multiply
    22,347.62x = 30,838.20 × 12,276.49
  4. Step 4: Simplify right side
    22,347.62x = 378,584,853.92
  5. Step 5: Solve for x
    x = 378,584,853.92/22,347.62
  6. Step 6: Final answer
    x = 16,940.72

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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.