Home / 14,124.62-21,192.51-5,361.86

Finding the Fourth Proportional to 14,124.62, 21,192.51 and 5,361.86

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Solution

The fourth proportional to 14,124.62, 21,192.51 and 5,361.86 is: 8,044.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,124.62 : 21,192.51 = 5,361.86 : x
  2. Step 2: Convert to fraction form
    14,124.62/21,192.51 = 5,361.86/x
  3. Step 3: Cross multiply
    14,124.62x = 21,192.51 × 5,361.86
  4. Step 4: Simplify right side
    14,124.62x = 113,631,271.67
  5. Step 5: Solve for x
    x = 113,631,271.67/14,124.62
  6. Step 6: Final answer
    x = 8,044.91

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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.