Home / 22,204.92-30,643.20-12,133.79

Finding the Fourth Proportional to 22,204.92, 30,643.20 and 12,133.79

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Solution

The fourth proportional to 22,204.92, 30,643.20 and 12,133.79 is: 16,744.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,204.92 : 30,643.20 = 12,133.79 : x
  2. Step 2: Convert to fraction form
    22,204.92/30,643.20 = 12,133.79/x
  3. Step 3: Cross multiply
    22,204.92x = 30,643.20 × 12,133.79
  4. Step 4: Simplify right side
    22,204.92x = 371,817,939.84
  5. Step 5: Solve for x
    x = 371,817,939.84/22,204.92
  6. Step 6: Final answer
    x = 16,744.84

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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.