Home / 16,392.91-22,622.19-9,222.84

Finding the Fourth Proportional to 16,392.91, 22,622.19 and 9,222.84

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Solution

The fourth proportional to 16,392.91, 22,622.19 and 9,222.84 is: 12,727.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,392.91 : 22,622.19 = 9,222.84 : x
  2. Step 2: Convert to fraction form
    16,392.91/22,622.19 = 9,222.84/x
  3. Step 3: Cross multiply
    16,392.91x = 22,622.19 × 9,222.84
  4. Step 4: Simplify right side
    16,392.91x = 208,640,679.59
  5. Step 5: Solve for x
    x = 208,640,679.59/16,392.91
  6. Step 6: Final answer
    x = 12,727.49

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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.