Home / 22,346.45-30,838.41-12,275.79

Finding the Fourth Proportional to 22,346.45, 30,838.41 and 12,275.79

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Solution

The fourth proportional to 22,346.45, 30,838.41 and 12,275.79 is: 16,940.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,346.45 : 30,838.41 = 12,275.79 : x
  2. Step 2: Convert to fraction form
    22,346.45/30,838.41 = 12,275.79/x
  3. Step 3: Cross multiply
    22,346.45x = 30,838.41 × 12,275.79
  4. Step 4: Simplify right side
    22,346.45x = 378,565,845.09
  5. Step 5: Solve for x
    x = 378,565,845.09/22,346.45
  6. Step 6: Final answer
    x = 16,940.76

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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.