Home / 19,455.42-29,180.66-5,416.50

Finding the Fourth Proportional to 19,455.42, 29,180.66 and 5,416.50

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Solution

The fourth proportional to 19,455.42, 29,180.66 and 5,416.50 is: 8,124.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,455.42 : 29,180.66 = 5,416.50 : x
  2. Step 2: Convert to fraction form
    19,455.42/29,180.66 = 5,416.50/x
  3. Step 3: Cross multiply
    19,455.42x = 29,180.66 × 5,416.50
  4. Step 4: Simplify right side
    19,455.42x = 158,057,044.89
  5. Step 5: Solve for x
    x = 158,057,044.89/19,455.42
  6. Step 6: Final answer
    x = 8,124.06

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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.