Home / 22,299.04-30,767.70-12,865.96

Finding the Fourth Proportional to 22,299.04, 30,767.70 and 12,865.96

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Solution

The fourth proportional to 22,299.04, 30,767.70 and 12,865.96 is: 17,752.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,299.04 : 30,767.70 = 12,865.96 : x
  2. Step 2: Convert to fraction form
    22,299.04/30,767.70 = 12,865.96/x
  3. Step 3: Cross multiply
    22,299.04x = 30,767.70 × 12,865.96
  4. Step 4: Simplify right side
    22,299.04x = 395,855,997.49
  5. Step 5: Solve for x
    x = 395,855,997.49/22,299.04
  6. Step 6: Final answer
    x = 17,752.15

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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.