Home / 22,644.16-33,953.78-12,126.51

Finding the Fourth Proportional to 22,644.16, 33,953.78 and 12,126.51

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Solution

The fourth proportional to 22,644.16, 33,953.78 and 12,126.51 is: 18,183.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,644.16 : 33,953.78 = 12,126.51 : x
  2. Step 2: Convert to fraction form
    22,644.16/33,953.78 = 12,126.51/x
  3. Step 3: Cross multiply
    22,644.16x = 33,953.78 × 12,126.51
  4. Step 4: Simplify right side
    22,644.16x = 411,740,883.02
  5. Step 5: Solve for x
    x = 411,740,883.02/22,644.16
  6. Step 6: Final answer
    x = 18,183.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.