Home / 22,207.40-30,644.90-12,133.83

Finding the Fourth Proportional to 22,207.40, 30,644.90 and 12,133.83

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Solution

The fourth proportional to 22,207.40, 30,644.90 and 12,133.83 is: 16,743.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,207.40 : 30,644.90 = 12,133.83 : x
  2. Step 2: Convert to fraction form
    22,207.40/30,644.90 = 12,133.83/x
  3. Step 3: Cross multiply
    22,207.40x = 30,644.90 × 12,133.83
  4. Step 4: Simplify right side
    22,207.40x = 371,839,946.30
  5. Step 5: Solve for x
    x = 371,839,946.30/22,207.40
  6. Step 6: Final answer
    x = 16,743.97

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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.